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Sustainability

An Arc'teryx jacket.
Lifestyle

The Quest to Ban the Best Raincoats in the World

Why Patagonia, REI, and just about every other gear retailer are going PFAS-free.

AM Briefing

Easterly Winds

On data center generators, nuclear waste recycling, and Omani H2

Blue
AM Briefing

New Fees for Offshore Wind

On Fervo’s blowout, nuclear investment, and Indian solar

Blue
AM Briefing

A Rare Earths Civil War

On Last Energy’s milestone, California CCS, and RFK Jr. vs. microplastics

Yellow
Plutonium storage.

Nuclear Option

On Chinese nuclear exports, Canadian LNG, and Otovos U.S. push

Yellow
Oil production.

Oil Prices Slip

On a California chem leak, solar manufacturing, and BHP’s climate retreat

Blue
AM Briefing

Trump Pumped on Hydro

On Exxon’s Venezuela flipflop, SpaceX’s fears, and a nuclear deal spree

The Hoover Dam.
<p>Heatmap Illustration/Getty Images</p>

Current conditions: U.S. government forecasters project just one to three major storms in the Atlantic this hurricane season • The Meade Lake Complex, a wildfire that scorched 92,000 acres in southwest Kansas, is now largely contained • Temperatures in Vientiane, the sprawling capital of Laos, are nearing 100 degrees Fahrenheit amid a week of lightning storms.


THE TOP FIVE

1. The Trump administration is upgrading the Hoover Dam

A years-long megadrought. Reduced snowpack in the northern mountains. Rising water demand from southwestern farms and cities whose groundwater is depleting. It is no wonder the water levels in Lake Mead are getting low. Now the Trump administration is giving the Hoover Dam money for a makeover to make do in the increasingly parched new normal. The Great Depression-era megaproject in the Colorado River’s Black Canyon boasts the largest reservoir capacity among hydroelectric dams. But the facility’s actual output of electricity — already outpaced by six other dams in the U.S. — is set to plunge to a new low if drought-parched Lake Meade’s elevation drops below 1,035 feet, the level at which bubbles start to form damage the turbines. At that point, the dam’s output could drop from its lowest standard generating capacity of 1,302 megawatts to a meager 382 megawatts. Last night, federal data showed the water level perilously close to that boundary, at 1,052 feet. The Bureau of Reclamation’s $52 million injection will pay for the replacement of as many as three older turbines with new, so-called wide-head turbines, which are designed to operate efficiently at levels below 1,035 feet. Once installed, the agency expects to restore at least 160 megawatts of hydropower capacity. “This action ensures Hoover Dam remains a cornerstone of American energy production for decades to come,” Andrea Travnicek, the Interior Department’s assistant secretary for water and science, said in a statement.

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AM Briefing

It Starts With a Trickle

On Penn Station, Boston Metal, and a fixing solar panels

A Wall Street trader.
<p>Heatmap Illustration/Getty Images</p>

Current conditions: The Northeast heatwave is breaking, with temperatures set to crash by as much as 50 degrees Fahrenheit over the Memorial Day weekend • The Sandy Fire just north of Los Angeles has now prompted mandatory evacuation orders for more than 10,000 homes in Ventura County, California • It’s the United Nations’ International Tea Day, and Myanmar’s Shan State — widely considered the birthplace of Camellia sinensis — is in the midst of intense rainstorms expected to last through at least the beginning of June.


THE TOP FIVE

1. Oil prices drop 6% after two China-bound tankers cross the Strait of Hormuz

The blockade at the heart of the global energy crisis right now appears to be softening. On Wednesday, the Financial Times reported that two supertankers shipping Iraqi oil to China made it through the Strait of Hormuz. A third megavessel carrying Kuwaiti crude to South Korea also appeared in shipping data to be crossing the narrow waterway at the mouth of the Persian gulf before its transponder went offline. The three ships are ferrying a combined 6 million barrels of crude, which the newspaper noted may be the largest volume to leave the Gulf in a single day since the end of February, when the U.S. and Israel began bombing Iran. An analyst from the data company Kpler said the ships steered through a route designated by Iran, suggesting “there was a deal done” with Tehran. If, as analysts told Heatmap’s Matthew Zeitlin back in March, “the time lag in global arrivals also helps explain why the physical market is only now starting to bite,” the latest shipments may loosen the jaws a bit.

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