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Malaria Cases Are Spiking on a Warmer, Wetter World

The malaria-climate change connection, explained

Flooding in Pakistan.
Heatmap Illustration/Getty Images

The World Health Organization’s annual malaria report, released Thursday, for the first time includes a chapter “focused on the intersection between climate change and malaria” — and finds that climate change was a factor in a global increase in the disease. There were an estimated 249 million malaria cases in 2022, a five million increase over the previous year. Most of the new cases were concentrated in Pakistan, Ethiopia, Nigeria, Papua New Guinea, and Uganda.

The reasons for the surge seem to be manifold. Across sub-saharan Africa, the Anopheles mosquito, which transmits the disease, is expanding its range as the region warms. Flooding can also leave behind stagnant pools of standing water, which leads to a boom in mosquito numbers, as followed Pakistan’s catastrophic floods in 2022. And as people are displaced by such disasters, those without malarial immunity may settle in areas prone to the disease. In many cases they also live in tents or refugee centers, without simple yet crucial protections such as mosquito nets.

As is so often the case with climate change, the problems are at once immense — increasing heat in Subsaharan Africa and South Asia — and practical — not enough nets. “It is crucial to recognize the multitude of threats that impede our response efforts,” said Matshidiso Moeti, the World Health Organization’s Regional Director for Africa. “Climate variability poses a substantial risk, but we must also contend with challenges such as limited healthcare access, [and] ongoing conflicts and emergencies ... we need a concerted effort to tackle these diverse threats.”

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Sparks

Fervo Is Drilling Wells Deeper, Faster, and Hotter

The enhanced geothermal company just announced a new 19,448-foot well.

A Fervo installation.
Heatmap Illustration/Fervo, Getty Images

Enhanced geothermal company Fervo has drilled another well.

This one is 19,448 feet deep, the company announced Thursday, and includes a 7,500-foot span laterally across the sub-surface. The well — called Sawtooth 7, part of Phase II of its flagship Cape Station project in Milford, Utah — took 21 days to drill, the company said. That matches the time required to drill the wells in Phase I, though the new one is nearly 35% deeper than those, on average, with a 50% greater lateral extension.

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Sparks

Trump Concedes a Battle in His War Against Wind Energy

The administration filed to dismiss an appeal of a December ruling that overturned its wind permitting freeze.

Trump Concedes a Battle in His War Against Wind Energy
Illustration by Simon Abranowicz

Trump’s Department of Justice is giving up on defending the president’s wind permitting moratorium.

The DOJ filed a motion on Wednesday to dismiss its appeal of a federal court’s December decision vacating the order to halt wind energy approvals. The plaintiffs in the case — New York and 16 other states, as well as the Alliance for Clean Energy New York, a trade group — did not oppose the motion. The case will not be officially dismissed, however, until the First Circuit Court of Appeals approves the request, which typically happens quickly when both parties support the dismissal.

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Sparks

Burgum Doubles Down on Renewables Permitting Freeze

The Secretary of the Interior said he “absolutely” planned to appeal a ruling that lifted blocks on wind and solar approvals.

Doug Burgum.
Heatmap Illustration/Getty Images

The Trump administration is not backing down from its discriminatory policies for approving wind and solar projects. Interior Secretary Doug Burgum testified to Congress on Wednesday that his agency would appeal a recent district court ruling blocking it from enforcing these policies.

“We reject the whole premise,” Burgum said during a House Natural Resources Committee hearing.

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