How did we get here? The roots and impacts of the climate crisis

Even in a world increasingly battered by weather extremes, the summer 2021 heat wave in the Pacific Northwest stood out. For several days in late June, cities such as Vancouver,…

The past’s extreme ocean heat waves are now the new normal

Yesterday’s scorching ocean extremes are today’s new normal. A new analysis of surface ocean temperatures over the past 150 years reveals that in 2019, 57 percent of the ocean’s surface…

Antarctica’s Thwaites Glacier ice shelf could collapse within five years

The demise of a West Antarctic glacier poses the world’s biggest threat to raise sea levels before 2100 — and an ice shelf that’s holding it back from the sea…

The Southern Ocean is still swallowing large amounts of humans’ carbon dioxide emissions

The Southern Ocean is still busily absorbing large amounts of the carbon dioxide emitted by humans’ fossil fuel burning, a study based on airborne observations of the gas suggests. The…

Potty-trained cattle could help reduce pollution

You can lead a cow to a water closet, but can you make it pee there? It turns out that yes, you can. Researchers in Germany successfully trained cows to…

Scientists are racing to save the Last Ice Area, an Arctic Noah’s Ark

It started with polar bears. In 2012, polar bear DNA revealed that the iconic species had faced extinction before, likely during a warm period 130,000 years ago, but had rebounded.…

50 years ago, scientists were genetically modifying mosquitoes

Sterility gene for mosquito control — Science News, December 18, 1971 Scientists are working hard to find a substitute for DDT in the control of malaria vector mosquitoes.… Two experiments…

Some deep-sea octopuses aren’t the long-haul moms scientists thought they were

Octopuses living in the deep sea off the coast of California are breeding far faster than expected. The animals lay their eggs near geothermal springs, and the warmer water speeds…

Invasive grasses are taking over the American West’s sea of sagebrush

No one likes a cheater, especially one that prospers as easily as the grass Bromus tectorum does in the American West. This invasive species is called cheatgrass because it dries…

Sunlight helps clean up oil spills in the ocean more than previously thought

Sunlight may have helped remove as much as 17 percent of the oil slicking the surface of the Gulf of Mexico following the 2010 Deepwater Horizon spill. That means that…