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The eastern and northern United States are suffering under a hazy, poisonous cloud of wildfire smoke, produced by out-of-control forest fires in Quebec and Nova Scotia. The most toxic soot and ash are sitting virtually on top of North America’s most densely populated corridor, clouding the air in New York City; Toronto; Ottawa; Philadelphia, Washington, D.C.; and Norfolk, Virginia.
Air pollution alerts are in effect across the United States and Canada, affecting roughly 150 million people.
This is Heatmap’s set of commonly asked questions about the crisis. We’ll keep it updated throughout the event.
Hundreds of wildfires have raged across northern Quebec for the past few weeks, driven by unusually warm and dry conditions.
Then on Monday, a low-pressure system surrounded by counterclockwise winds moved just off New England’s coast. Its strong, dry gusts fanned the flames in Canada, then pushed the resulting smoke and ash into the eastern United States.
Intense Canadian fires are unusual this early in the season, but the fires this year were fed by a warm spring and drought-like condition, Kent Moore, an atmospheric-physics professor at the University of Toronto, told me. Because the fires took hold before the vegetation could “green up” for the spring, the conflagrations grew more rapidly than they normally would, he said.
The dry conditions also helped the fires ignite the soil itself. “Because the soil was so dry — because of the dry winter and the dry spring — the fire got into the ground,” he said. “The vegetation below ground started to burn, and those are much harder to put out.”
This is likely one of America’s worst days for air pollution in several decades, in terms of the number of people affected and the severity of the exposure, Marshall Burke, an economist and sustainability professor at Stanford, told me.
“It’s pretty off the chart,” Burke said. Wildfire smoke is affecting New York City much more acutely — and much earlier in the year — than it has at any time since 2006, when contemporary air-pollution data began to be kept.
It is difficult to attribute a single unprecedented event to climate change, and the climatology of wildfires in eastern North America is particularly challenging. (Climate change has more clearly worsened wildfires out West.) “This is probably an unlucky year for Canada, as far as wildfires go,” Moore, the atmospheric physicist, said.
But wildfires will become more likely across Canada as the climate changes, he said. And while climate change should broadly increase rainfall across Canada, it will also increase the likelihood of heat waves and more extreme spring and summer temperatures, which can make wildfires more likely.
“Nova Scotia has always had wildfires. It’s just they’ve had more wildfires this year than they have on average for the whole year,” he said. “There’s always going to be wildfires, but there’s going to be more of them.” As Canadian cities sprawl into previously uninhabited woodland areas, he added, the human impacts of wildfires will increase — even if the number and intensity of wildfires does not.
First, consult the air quality index at AirNow.gov. The AQI is a unit-less index of air quality running from zero to 500; any reading above 100 would rank as unusually polluted in the United States. On Wednesday afternoon, some air sensors in New York and New Jersey indicated that the AQI exceeded 400.
If it’s higher than 100, then the most vulnerable groups of people — including children, the elderly, anyone with a cardiopulmonary condition, and pregnant women — should limit strenuous activity outdoors. If higher than 150, then people should generally try to limit their outdoor activity; at levels above 200, the air is considered unhealthy and everyone should try to go outside as little as possible.
If you think you might be especially vulnerable, err on the side of caution. Recently, a body of new and large-scale studies have shown that air pollution is generally worse for the body and brain than previously thought.
Then, if you’re in an area with hazardous air pollution, consider how to limit your exposure to the air as much as possible. Keep your doors and windows closed. An air filter outfitted with a HEPA filter can improve the air in a home or apartment. It should generally be closer to the most sensitive people.
“Any pregnant moms — if my wife or anyone I knew was pregnant right now — I would be texting them to stay inside and sit by an air filter,” Burke told me. Exposure to severe air pollution during pregnancy has been shown to increase the risk of preterm birth, and it can reduce a child’s lifelong earnings, cognitive performance, and other indicators, he said.
A KN95 or N95 mask — the type of high-filtration mask used to prevent COVID infection — can also significantly limit your exposure to soot and ash. If you are in a sensitive group or are worried about air pollution’s health effects, you could consider wearing a mask inside if you have no other way to filter the air.
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That trust was hard won — and it won’t be easily regained.
Spring — as even children know — is the season for planting. But across the country, tens of thousands of farmers who bought seeds with the help of Department of Agriculture grants are hesitating over whether or not to put them in the ground. Their contractually owed payments, processed through programs created under the Biden administration, have been put on pause by the Trump administration, leaving the farmers anxious about how to proceed.
Also anxious are staff at the sustainability and conservation-focused nonprofits that provided technical support and enrollment assistance for these grants, many of whom worry that the USDA grant pause could undermine the trust they’ve carefully built with farmers over years of outreach. Though enrollment in the programs was voluntary, the grants were formulated to serve the Biden administration’s Justice40 priority of investing in underserved and minority communities. Those same communities tend to be wary of collaborating with the USDA due to its history of overlooking small and family farms, which make up 90% of the farms in the U.S. and are more likely to be women- or minority-owned, in favor of large operations, as well as its pattern of disproportionately denying loans to Black farmers. The Biden administration had counted on nonprofits to leverage their relationships with farmers in order to bring them onto the projects.
“This was an opportunity to repair some of that trust, through this project,” Emily Moose, the executive director of the sustainable agriculture organization A Greener World, told me in an email. Moore and her teammates spent years recruiting farmers from the group’s Oregon community, and eventually got 77 of them to sign up to create certified regenerative farm management plans. A Greener World was notified in January that its reimbursements were being suspended, and now risks losing $10,000 in incentive payments, meaning the farmers in the program “are now having to weigh paying for certification out of pocket or dropping the certification process entirely and losing market opportunities.”
Nicole Delcogliano, director of programs at the Organic Growers School, a farmer training organization in North Carolina, and a small farmer herself had similar hopes for a grant the group received to help mentor and educate early-stage farmers. The department had “finally started to build back a little bit of trust,” she told me. With the funding pause, she said, “I think that is going to be lost.”
Affected grants include billions set aside for the USDA through the Inflation Reduction Act for soil and water conservation projects, as well as more than $820 million earmarked for the Rural Energy for America Program, or REAP, which incentivized agricultural producers to make energy-efficiency improvements on their land. Grants issued through the Partnerships for Climate-Smart Commodities program for farm innovations that have greenhouse gas and carbon sequestration benefits — funded through the USDA’s Commodity Credit Corporation, a Dust Bowl-era entity more typically leveraged to protect farm income and prices during disasters — are also on pause. Original plans for the program under Biden would have seen it eventually scaled to 60,000 farms, reducing an estimated 50,000 million metric tons of CO2 equivalent.
Though the Trump administration eventually released about 1% of the IRA-related USDA grant money in late February, much remains out of reach, with no timeline for payout. The National Sustainable Agriculture Coalition assumes that the “majority” of the $2.3 billion allocated to farmers on IRA-funded contracts is “likely still in USDA’s coffers.” Additionally, more than half of the $3.1 billion allocated to the Partnerships for Climate-Smart Commodities program had not yet been paid out by the end of February, according to The Hagstrom Report, an agricultural news service. (The Trump administration has said it would reconsider REAP grants if applicants rewrite them to “remove harmful [diversity, equity, inclusion, and accessibility] and far-left climate features.”)
All of the affected grant programs work on a reimbursement basis, with the farmers incurring costs upfront protected, in theory, by a contractual guarantee that the government will pay them back. Individual farmers aren’t usually the direct beneficiaries of USDA grants, however. The USDA more commonly awards a grant to nonprofit organizations that, in turn, provide financial and technical support to farmers making sustainable transitions. Many of the nonprofits are now having to furlough or lay off staff. Meanwhile, farmers are still seeking their reimbursements, but there’s no funding there to pay them.
Hannah Smith-Brubaker, the executive director of Pasa Sustainable Agriculture, a Pennsylvania-based nonprofit that was awarded a Climate Smart Commodities grant and a Farm and Food Workers Relief from the USDA, is planning to furlough 60 people — most of her team — due to the pause. Another project director at a Mid-Atlantic sustainability nonprofit told me his organization has “been lending cash” from their own books since January 27, when the pause was announced, and that he anticipated being laid off shortly after our call.
But while the nonprofits are certainly hurting, the farmers are the ones stuck with the final bill. In addition to the USDA’s history of discriminating against Black farmers, many who manage smaller acreages report feeling overlooked by the federal government in favor of powerful agro-business conglomerates. More than 70% of farmers under age 40 reported being unfamiliar with USDA programs that could help them, and nearly half said they’d never received support from the agency, according to polling by the National Young Farmers Coalition published in 2022.
“In the last administration, there was recognition that they didn’t have the trust of a lot of farmers who historically haven't been served, or been underserved, by USDA,” Smith-Brubaker said. With programs like the Climate-Smart Commodities grant, the Biden administration “asked us to leverage the trust that we already have with farmers — to ask them to trust us to enter into this program.”
It worked: Many of the more than 30,000 contracted farms are already a year or two into multi-year projects with nonprofits designed to improve soil health, plant cover crops, or improve farm efficiency. That means they’ve already hired the extra staff for the projects, placed orders for new equipment, and set aside precious land for soil-enrichment projects.
But with no word on the future of their funding, some are now hesitating over whether to spend more money out of pocket on those projects if the government might not uphold its end of the deal. The pause has led many of the farmers I spoke with to reevaluate their trust in future USDA funding. “It’s unsettling because you’re like, ‘Well, if I implement the practices I’m supposed to, but then I don’t get that reimbursement sometime in 2025, what does that look like?’” said Delcogliano, who received one Conservation Stewardship Plan payment in October for her farm, Green Toe Ground, but hasn’t yet heard yet whether future payments will be affected.
Delcogliano also emphasized that despite the commodities grant containing the “buzz word” of “climate,” what it actually encourages are long-established practices that help conserve water and soil. “It’s just smart farming,” she told me. Ed Winebarger, a chef and farmer in North Carolina, told me he participated in the Climate-Smart Commodities program for a year and saw an immediate 20% increase in production. “My crops did better, the system works — period,” he said.
Small farmers who pursued the government grants likely would have been interested in the practices regardless of the financial incentives in many cases; Erin Foster West, the Policy Campaigns Director for the National Young Farmers Coalition, told me the group’s research found nearly 85% of its membership was “motivated by environmental stewardship to farm.” Caroline Anderson Novak, the head of the Professional Dairy Managers of Pennsylvania — which is collaborating with Penn State on its greenhouse-gas-reducing Climate-Smart Commodities program, and which hasn’t received a notification of a pause from the USDA as other organizations have — told me that things like experimental feeds and sharper data assessments represent “operational improvements” that just happen to have attractive climate upsides. “They are things that the farm already wants to do,” she said.
What the grants do is provide the capital necessary for farmers to put these efficiency upgrades into practice. Margins, particularly at small farms, can be razor thin, and the risks of operational experiments can be steep. “A lot of the time, you would need to pursue a loan just to get started with the project,” Emma Jagoz, the owner of Moon Valley Farm in Maryland, who has hundreds of thousands in USDA grants tied up by the pause, told me.
As a result, farmers waiting for clarity on their grants generally have clear eyes about the root of the problem. “The organization that we work with, they can’t help the cuts. It’s not their fault,” Patrick Brown, who enrolled 90% of his North Carolina farm’s acreage in a climate-smart project, told me. “This administration has blatantly stated their approach.”
Kristin Reilly, the executive director of the Choose Clean Water Coalition, a collective of small nonprofits in the Chesapeake Bay watershed that is helping its farming partners navigate the funding freeze, agreed that “the practitioners on the ground are definitely seeing that it’s not the nonprofits who are not paying them; they’re struggling along with them.”
Almost everyone I spoke with was pessimistic that the USDA would honor the grants, even as Earthjustice and other groups have launched lawsuits against the federal government over the freeze. (Pasa has joined a lawsuit with the Southern Environmental Law Center.) “I don’t think [the pause is] going to lift as long as this guy is in power because he’s so disconnected from reality,” Winebarger, the North Carolina chef and farmer, said of President Trump. “He’s never put his hands in dirt in his entire life. He doesn’t understand me. He doesn’t understand my farming neighbors.”
Delcogliano shared a similar sentiment: “The government is incompetent,” she told me. “They’re not in touch with the people that are actually doing the work.”
Perhaps most crucially, while the federal money is paused, the climate continues changing. Any given season could bring a new drought or deluge that wipes out a farm entirely. Though separate from the troubles with the grant pauses, both Delcogliano and Winebarger are also recovering from extensive damage to their farms from Hurricane Helene, a process they told me has been made even more painful due to the lack of emergency funding available from the Federal Emergency Management Agency. Farmers will also be particularly vulnerable to the impacts of some of the tariffs the Trump administration plans to enact this week.
“It just feels like I’m driving behind a truck full of hammers that are dumping on me,” Winebarger said of the compounding problems. “And I can’t dodge them — they’re going to hit me. I don’t know how we’re going to get out from underneath this.”
Wolfe’s Neck Center for Agriculture & the Environment, a Maine-based nonprofit that stands to lose a $35 million Climate-Smart Commodities grant, has begun to reformulate how its programs could continue with the support of buyer funds, state funding sources, or philanthropic dollars instead. It had once envisioned working with more than 400 partners over the grant’s lifespan, but that idea has given way to smaller-scale projects it can still afford.
“This is about so much more than climate change,” Ellen Griswold, the director of Wolfe’s Neck, stressed to me about the importance of finding a way forward with or without the government. “It’s about making farmers as resilient and profitable as possible. Without this assistance, there will be impacts to the farming community” — including farmers themselves and their suppliers. That could include a fencing company, nursery, or refrigerated truck dealer farmers can no longer afford to pay, or regional schools or food banks that are now forced to pay more for local, organic produce.
The reverberations of the grant pause will be felt far into the future, too. Even if the contracts are ultimately honored by the Trump administration, some farmers will undoubtedly feel justified in their suspicions of partnering with the federal government. Nonprofits will have more difficulty convincing community partners to take on voluntary climate projects down the line, and common-sense efficiency projects with climate co-benefits will stay dormant.
“If another opportunity comes along like this, I completely understand if farmers say, ‘No, I’m not doing that,’” Smith-Brubaker of Pasa said.
On critical minerals, Tesla’s home battery business, and India’s heat wave
Current conditions: The Silver Fire, which erupted in eastern California on Sunday, spread to 1,589 acres and is 47% contained • More than 200,000 customers in Michigan are still without power following an ice storm • Torrential downpours this week could drop four months’ worth of rain and trigger flash flooding across the Ohio Valley.
As his administration readies broad-based tariffs to be unveiled on Wednesday, President Trump is reportedly considering issuing an executive order that would fast-track permitting for deep-sea mining for critical minerals in international waters. Sources toldReuters the order would also let mining projects skip a review process and mining code put in place by the United Nations. Minerals on the seafloor – including cobalt, nickel, copper, and lithium – are essential for products including electric vehicle batteries, solar panels, and wind turbines, though the Trump administration hasn’t mentioned clean tech in its recent efforts to bolster the nation’s access to the materials. Last week, Trump invoked emergency powers to expand domestic critical minerals production in the name of “transportation, infrastructure, defense capabilities, and the next generation of technology.” He is also reportedly readying tariffs on copper in an attempt to boost domestic production, Heatmap’s Matthew Zeitlin writes.
The environmental impacts of deep-sea mining aren’t fully understood, but many fear “it could pose grave consequences for both marine life and planetary health,” as the World Resources Institute explains. Moving to bypass international safeguards would “raise tensions with other nations competing for resources in international waters, and who believe permitting should be in the hands of a global body that oversees access and resolves disputes,” reported Reuters.
New research suggests that climate change will hit the global economy much harder than previously thought. The study, published in the journal Environmental Research Letters, combines economic models with climate change models and then factors in the effect of weather disasters on the global supply chain – something other forecasts have omitted. “We found if the Earth warms by more than 3 degrees Celsius by the end of the century, the estimated harm to the global economy jumped from an average of 11% (under previous modelling assumptions) to 40% (under our modelling assumptions),” the researchers explained. “This level of damage could devastate livelihoods in large parts of the world.” Experts project that the world will warm by about 2.7 degrees Celsius by 2100 compared to pre-industrial averages, so the new study is based on worst-case scenarios, but it suggests that current economic models are vastly underestimating the economic impact of global heating and its many knock-on effects. That said, recent documents seen byE&E News show that some of the world’s top banks now think those worst-case scenarios are looking more likely. “We now expect a 3°C world,” Morgan Stanley analysts wrote in a report this month.
A group of nearly 2,000 U.S. scientists published an “SOS” to the American public, condemning what it calls a “wholesale assault on U.S. science” by the Trump administration. In the letter, published in Scientific American, the scientists say “the administration is blocking research on topics it finds objectionable, such as climate change,” and warn that “other countries will lead the development of novel disease treatments, clean energy sources, and the new technologies of the future. Their populations will be healthier, and their economies will surpass us in business, defense, intelligence gathering, and monitoring our planet’s health. The damage to our nation’s scientific enterprise could take decades to reverse.
Consumers have become increasingly turned off by Tesla CEO Elon Musk’s political involvement in the Trump administration, and the backlash seems to be hurting parts of the company beyond electric vehicles. According toElectrek, people looking to install home solar systems are asking for alternatives to Tesla’s Powerwall battery packs. Data from home energy solutions marketplace EnergySage shows that nearly 70% of potential home solar buyers seeking quotes in the first two months of 2025 requested an alternative supplier. “Do you offer a battery from a supplier other than Tesla?” one customer asked. “Though we have a Tesla Powerwall and love it, and we love our Tesla Model 3 and Y, we are outraged at Musk’s politics, so we don’t wish to send him more money.”
Forecasters are warning that India could see an exceptionally hot few months leading up to summer after the country experienced an unusually warm March. Mrutyunjay Mohapatra, director general of the India Meteorological Department, said on Monday that heat wave conditions are likely to persist through April and May across much of the country. “From April to June, most parts of north and east India, central India, and the plains of north-west India are expected to experience two-to-four more heatwave days than normal,” he said. India is the world’s most populous nation and the third largest greenhouse gas emitter. Most of its emissions come from the energy sector, and especially the burning of coal. The heat waves are expected to increase energy demand (and thus coal usage) as more people switch on air conditioners to keep cool. Last year, temperatures reached 123 degrees Fahrenheit in India’s Rajasthan state.
Preliminary analysis suggests that China’s recent efforts to curb air pollution may have inadvertently caused global warming to accelerate. Why? Because these moves also reduced levels of atmospheric aerosols that were helping cool things down.
They haven’t even been announced yet, but the idea that they will has sent prices soaring.
China, Canada, Mexico, steel, aluminum, cars, and soon, copper. That’s what the market has concluded following a Bloomberg News report last week that copper tariffs would arrive far sooner than the 270 days President Trump gave the Department of Commerce to conduct its investigation into “dumping” of the metal.
Copper has been dubbed the “metal of electrification,” and demand for it is expected to skyrocket under any reasonable scenario to contain global temperature rise. Even according to a U.S. administration that, at best, neglects climate change considerations, copper is an “essential material for national security, economic strength, and industrial resilience,” as the Trump White House said while announcing its investigation into copper imports.
The effort to boost domestic production of copper did not start with this White House, but it has historically run into the same problems that beset the mining industry: New production can take decades to begin, even after you find the minerals you’re looking for underground. And if demand is not assured — if, for instance, subsidies for electric vehicles filled with copper disappear — then investing in new production could lead to bankruptcy, whereas holding back on new capacity would, at worst, mean forgoing some profits.
The Trump administration and the broader energy and foreign policy community have been, in general, obsessed with rocks — critical minerals, rare earths, and other minerals that are indeed “critical” to much of the economy but are not listed as such. Copper sits somewhere between these categories — while it does not appear on the United States Geological Survey list of critical minerals, which ranges from aluminum and antimony to zinc and zirconium, it does appear on the Department of Energy’s list of “critical materials.”
These lists guide federal data collection efforts, and that data can then get used to guide policymaking. Being on these lists doesn’t guarantee that a related program will get funding, but it does mean that the data is there to draw from should someone need to make a case for why their program should get funding.
This gap between the lists has been a target for Congress, especially for legislators in the Southwest, where much of America’s copper is mined. The discrepancies in the list is essentially a matter of focus for the Energy and Interior Departments — with Energy naturally focused on what’s especially important for energy infrastructure. Getting consistency between the lists, which are only a few years old, will “increase transparency within our federal agencies, ensuring all of our nation’s critical resources are developed, traded, and produced equally, and strengthen our supply chains,” Mike Lee (R-Ut), a sponsor of the Senate version of the legislation, said in a statement.
Trump’s executive order asking for the investigation sought to speed up permitting for new mines — and they’ll need all the help they can get. S&P calculates that the average copper mine takes over 30 years to develop. Rio Tinto and BHP’s Resolution Copper project in Superior, Arizona — which the companies hope will produce 20 million tons of copper — has already sucked up some $2 billion of capital while producing zero copper after about 20 years of legal and political opposition. A proposed copper-nickel mine in Minnesota has alreadyabsorbed around $1 billion worth of investment and is still wrangling over the more than 20 permits it needs.
But for the Trump administration’s strategy of tariffs and expedited permitting to actually work for American copper end users, it will have to lead to an expansion of smelting and recycling, in addition to mining.
Reuters reported last year that the Mexican conglomerate Grupo Mexico would re-open an Arizona smelter, but that has yet to happen (it’s currently a Superfund site). A copper mine in Milford, Utah said last week that it was expanding to meet rising copper demand.
The smelting sector is dominated by China. “The United States has ample copper reserves, yet our smelting and refining capacity lags significantly behind global competitors,” the White House said in its copper executive order in February. China’s dominance, “coupled with global overcapacity and a single producer’s control of world supply chains, poses a direct threat to United States national security and economic stability.”
The United States produces around 1.2 million tons of copper annually from its mines and imports around 900,000 tons, according to the United States Geological Survey. Some of that domestically mined copper — around 375,000 tons worth — ends up being exported for smelting, according to the Copper Development Association.
While the United States is near the top of national copper production (well behind the world leader, Chile, but comparable to other large-scale copper producers such as Indonesia and Australia), it has a meager copper refining industry, with only two active smelters producing around 400,000 tons of copper a year — a fraction of China’s refining capacity — leaving American industry reliant on imports.
The energy industry has been dealing with the copper issue for years. More specifically, it’s worrying about how domestic and global production will be able to keep up with what forecasters anticipate could be massive demand.
That goes not just for copper — it also includes the metals that are mined alongside it. First Solar, the U.S.-based solar manufacturing company, has benefited from tariffs on solar panels put in place during the Biden administration. But while First Solar has been a winner in the renewable energy trade conflict, it is still sensitive to the global trade in commodities. That’s in part because it is also a major consumer of tellurium, a mineral that’s a byproduct of copper mining, and which was the subject of expanded export Chinese export controls announced early last month.
“We have, over the past decade employed a strategic sourcing strategy to diversify our tellurium supply chain to mitigate a sole sourcing position in China and are undertaking additional measures to mitigate dependencies on China for certain products containing to tellurium,” Alexander Bradley, First Solar’s chief financial officer, said in the company’s February earnings call. “While we continue to evaluate [whether] there will be any operational impact from China's decision, this latest development emphasizes the urgent need for the United States to accelerate the strategic development of copper mining and processing of its byproduct materials, including tellurium.”
Electric vehicles are another major user of copper among climate technologies, with EVs having on average around 180 pounds of copper in them, according to the Copper Development Association. Tesla — which will soon be hit by auto tariffs — has been actively trying to reduce its copper consumption. Meanwhile Rivian, one of Tesla’s primary domestic competitors, announced last year that it would cut its production targets dramatically due to what turned out to be a supplier communication snafu for a copper component of its motors.
“We’re very bullish on copper prices,” Kathleen Quirk, chief executive officer of Freeport-McMoRan, which runs a number of U.S. copper mines (and a smelter, to boot), said at a financial conference in February. With boosts in demand coming from “power generation, new power generation investments, multibillion-dollar investments in infrastructure and energy infrastructure, it's going to be very positive for copper.”
Copper prices paid by American manufacturers have been rising for the past five months, according to the monthly PMI survey. Prices in New York reached record highs last week, hitting almost $12,000 per ton as the industry tried to beat the almost-certainly-inevitable tariffs, according to an ING analyst report released last week.
The actual imposition of the tariffs would constitute a “further upside risk to copper prices” — in other words, prices will continue to climb, according to the ING analysts. “The U.S. copper rush could leave the rest of the world tight on copper if demand picks up more quickly than expected,” the ING analysts wrote.
Copper futures have shot up this year by around 25%, leading to profits for those who mine it — especially in the United States.
From the perspective of Freeport-McMoRan, the market gyrations so far have generally been to the upside, with the premium on copper in the U.S. “helping us from that perspective of generating higher revenues for our U.S. price copper,” Quirk said at the conference. But the domestic copper industry as a whole does not see tariffs as the sole way to increase copper production.
“The U.S. will need an all-of-the-above sourcing strategy to secure a stable supply for domestic use. This must include increased mining in the U.S., increased smelting and refining in the U.S., enhanced recycling, keeping more copper scrap within U.S. borders, and continued trade with reliable partners to maintain the flow of critical raw material feedstocks for domestic use,” Copper Development Association chief executive Adam Estelle told me in an emailed statement.
And tariffs can come in faster than new mines and smelters can be built or their capacity expanded. American mining projects have been mired in decades of permitting delays and negotiations with local communities not because there isn’t a market opportunity for new copper, but because it just takes a very long time to open a mine.
Even as she was celebrating Freeport-McMoRan’s robust outlook, CEO Kathleen Quirk noted that “at the same time, it's become more and more difficult to develop new supplies of copper.”
That goes especially for industries related to renewable energy, where copper finds itself into grid equipment, solar panels, and wind turbines. Even so, they’ve been wary of talking about an impending tariff directly.
A number of trade groups, including the Zero Emission Transportation Association, the National Electrical Manufacturers Association, and the Solar Energy Industries Association, hailed an executive order aiming to accelerate critical minerals production released March 20. When I asked about copper tariffs, however, a ZETA spokesperson referred me to an earlier statement decrying trade conflict with Canada and Mexico, saying that “imposing tariffs on allies and trading partners like Canada and Mexico — both of which play a significant role in the North American automotive supply chain — will increase costs to consumers and make it more difficult to attract investment into our communities.”
Meanwhile, NEMA’s vice president of public affairs, Spencer Pederson, told me in an emailed statement that “any new trade policies must provide predictability and certainty for future domestic investments and businesses.”
Other manufacturing-centric industries that use copper aren’t thrilled about the prospect of tariffs, either. A spokesperson for the National Association of Manufacturers referred me to its recent survey showing that the top two concerns among its members were “trade uncertainties,” feared by more than three quarters of respondents, and “increased raw material costs,” which worried 60% of respondents. While NAM is broadly supportive of many Trump administration goals, especially around extending the 2017 tax cuts, it has called for a “commonsense manufacturing strategy” which includes “making way for exemptions for critical inputs.” That runs against the Trump administration’s preference for big, obvious tariffs.