climate change

How to Prevent Another European Transport Meltdown

How to Prevent Another European Transport Meltdown

As if the cancellation of flights and trains due to strikes and staff shortages weren’t upsetting travelers enough this summer, the European heat wave arrived to exacerbate the travel chaos. Extreme heat can be dangerous to people’s health—even deadly—but it affects the built environment, too. It can cause metals and asphalt surfaces to expand and …

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Carbon Offsets Alone Won't Make Flying Climate-Friendly

Carbon Offsets Alone Won’t Make Flying Climate-Friendly

Jet A-1, a straw-colored, kerosene-based fuel used in most big airplanes, is a difficult substance to replace. It’s packed with energy; per unit of weight, at least 60 times as much as the lithium-ion batteries used to propel electric cars. It’s also terrible for the climate. So as the aviation industry has gradually climbed aboard …

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Why the Arctic Is Warming 4 Times as Fast as the Rest of Earth

Why the Arctic Is Warming 4 Times as Fast as the Rest of Earth

All the extra warmth of summer is also getting trapped in the Arctic Ocean, then released throughout the winter. “The greatest warming in the Arctic is happening in winter, which maybe surprises people, because you have the greatest sea ice melt in summertime,” says Hahn, of the University of Washington. “That’s when you have incoming …

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The Climate Anxiety Discussion Has a Whiteness Problem

The Climate Anxiety Discussion Has a Whiteness Problem

Sarah Jacket Ray has spent her career etching out an academic niche at the intersection of environmental issues and social justice. In the late 2010s, as concern around the climate crisis finally began to swell toward today’s crescendo, Ray, a professor of environmental studies at California State Polytechnic University, Humboldt, turned her focus toward a …

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No power, no fans, no AC: The villagers fighting to survive India's deadly heatwaves

The Download: India’s deadly heatwaves, and the need for carbon removal

The residents of Nagla Tulai, a farming village in the north Indian state of Uttar Pradesh, have always had to endure hot summers, but the past few years of punishingly cruel heat have tested their strength. This May it hit 49°C (120°F), the highest India has recorded in 122 years. Since then, local news reports …

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The Supreme Court Is Jeopardizing Federal Climate Action

The Supreme Court Is Jeopardizing Federal Climate Action

Today, in a ruling on a nonexistent plan with nonexistent harms to the people who brought the suit, the Supreme Court took an opportunity to curb the ability of the Environmental Protection Agency to regulate power sector carbon emissions. In a summer of big decisions from the US Supreme Court, West Virginia v. Environmental Protection …

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Spotting Objects From Space Is Easy.  This Challenge Is Harder

Spotting Objects From Space Is Easy. This Challenge Is Harder

This spring, when the teams submitted their results to IARPA, evaluator teams graded how well each one did. In June, the teams learned who was moving on to SMART’s second phase, which will run for 18 months: AFS, BlackSky, Kitware, Systems & Technology Research, and Intelligent Automation, which is now part of the defense company …

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