In a 6-3 ruling, the Supreme Court held that an Obama administration plan to regulate carbon emissions from power plants exceeded the power that Congress gave to the Environmental Protection Agency.
Stemming the water crisis in the western US will require cities and rural areas to work together to make water use on farms – the largest source of demand – more efficient.
As crops fail in the rising heat, men are leaving many rural areas for migrant work in cities. Women are left to tend to the farming in increasingly dangerous conditions.
Feeding insects instead of grain to animals is an inexpensive, sustainable way to increase the world food supply. An animal scientist explains what’s involved in developing insect feed for cattle.
Sometimes wind and solar power produce more electricity than the local grid can handle. Better energy storage and transmission could move extra energy to where it’s needed instead of shutting it off.
Countries have used starvation as a war strategy for centuries, historically without being prosecuted. Three experts on hunger and humanitarian relief call for holding perpetrators accountable.
These chemicals are now present in water, soil and living organisms and can be found across almost every part of the planet – including 98% of the American public.
Puerto Rico’s tourism industry is booming as nations lift COVID-19 travel restrictions, but development is displacing people who have lived along its coastlines for years.
Extreme heat waves are putting lives in danger, with some of the hottest urban neighborhoods 10 degrees hotter or more than their wealthier neighbors. Often, these are communities of color.
Farmers are contending with huge spikes in fertilizer prices. The Biden administration is paying US companies to boost synthetic fertilizer production, but there are other, more sustainable options.
Other presidents used the Defense Production Act to boost fossil fuel supplies. Biden is now using it to boost clean energy. But just ramping up production isn’t enough to succeed.
A deadly neurological infection, chronic wasting disease, has been detected in deer, elk and moose in 30 states and four Canadian provinces. Human risk is low, but hunters need to take precautions.
Julien Emile-Geay, USC Dornsife College of Letters, Arts and Sciences
Thanks to humans, the concentration of planet-warming carbon dioxide in the atmosphere is now 50% higher than before the industrial era. These gases are raising Earth’s temperature.
As nations pledge to preserve swaths of ocean within their territorial waters, a marine scientist explains why some marine protected areas shelter ocean life more effectively than others.
Only 13% of US solar industry jobs are currently in manufacturing. The Biden administration hopes the sector will grow fast, but that might not be so simple.
Thwaites Glacier’s ice shelf appears to be splintering, and scientists fear it could give way in the next few years. A polar scientist takes us on a tour under the ice to explain the forces at work.
The recent goring of a tourist who approached within 10 feet of a bison in Yellowstone National Park is a reminder that wild animals can be dangerous and people should keep safe distances.
As a major conference on the global biodiversity crisis opens in Montreal, a conservation biologist explains how ideas about protecting nature have evolved over the past 40 years.