Articles on Environment

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Greenland’s cryolite mine, essential for U.S. airplane production, was below sea level and vulnerable to Nazi sabotage. Reginald Wilcox, ca. 1941. Peary–MacMillan Arctic Museum, Bowdoin College

In World War II’s dog‑eat‑dog struggle for resources, a Greenland mine launched a new world order

Strategic resources have been central to the American-led global system for decades, as a historian explains. But US actions toward Greenland today are different.
Warmer winters in normally snowy places can interfere with the important activities of microbes in the soil. Seogi/500px via Getty Images

Warming winters are disrupting the hidden world of fungi – the result can shift mountain grasslands to scrub

Over a three-decade experiment in the Rocky Mountains, fungi and plant life fundamentally changed. The result has consequences for cattle and wildlife.
A farmer near Quemado, Texas, prepares to take hay to cattle amid the drought in June 2022. Brandon Bell/Getty Images

Sixth year of drought in Texas and Oklahoma leaves ranchers facing wildfires and bracing for another tough year

The Southern Plains states get a severe drought about once a decade, but long-lasting droughts lately have been leaving farms, rangeland and water sources with too little time to recover.
U.S. skier Rosie Brennan leads a group during the women’s team sprint classic cross-country skiing competition at the 2022 Winter Olympics. AP Photo/Aaron Favila

What Olympic athletes see that viewers don’t: Machine‑made snow makes ski racing faster and riskier – and it’s everywhere

US Olympic skiers and scientists explain the sharp differences between natural snow and machine-made snow, from the science to the rising risk of crashes.
Italy’s Predazzo Ski Jumping Stadium, which is hosting events for the 2026 Winter Olympics, needed snowmaking machines for the Italian National Championship Open on Dec. 23, 2025. Mattia Ozbot/Getty Images

Climate change threatens the Winter Olympics’ future – and even snowmaking has limits for saving the Games

Innovations have made recent Winter Games possible, but the future climate will have a big impact on where the Olympics can be held and winter sports themselves.
Whales have become increasingly common in regions such as the northern coast of São Paulo, which also has heavy ship traffic. Julio Cardoso/Projeto Baleia à Vista

Marine protected areas aren’t in the right places to safeguard dolphins and whales in the South Atlantic

Despite Brazil’s recent expansions of protected areas, research shows that the favorite habitats of whales and dolphins are still threatened by human activities.
Denver was barely visible through the smog on Feb. 9, 1986. Pollution like this is why the Clean Air Act was created. Denver Post via Getty Images

What air pollution does to the human body

The EPA is changing how it assesses proposed regulations by dropping the monetary value of health benefits from its cost-benefit analyses. That misses a big piece of the picture.
Beef production provides a valuable contribution to human health while also impacting the natural environment. Brandee Gillham courtesy of the Colorado Department of Agriculture.

Colorado ranchers and consumers can team up to make beef supply chains more sustainable

Beef is a source of complete protein for humans, but its production results in greenhouse gas emissions.
Fishing boats leave Zhoushan, China, on Aug. 1, 2024. Many ships like these stay at sea for months, often far from home. Zou Xunyong/VCG via Getty Images

Global power struggles over the ocean’s finite resources call for creative diplomacy

The expansion of Arctic shipping, scramble for seafloor mining and overfishing are all straining international relationships. But the powers of diplomacy go beyond ocean treaties.
Phytoplankton blooms, seen by satellite in the Baltic Sea, pull carbon dioxide out of the atmosphere. European Space Agency via Flickr

Climate engineering would alter the oceans, reshaping marine life – new study examines each method’s risks

Some methods being tried to counter climate change shift the ocean’s biology or chemistry. Others would deflect solar radiation. All have consequences for marine life.

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