Donald Boesch, University of Maryland Center for Environmental Science and Donald Scavia, University of Michigan
Nutrient pollution fouls lakes and bays with algae, killing fish and threatening public health. Progress curbing it has been slow, mainly because of farm pollution.
Managed retreat is already common in flood-prone areas, but what about in neighborhoods at high risk from wildfires? Here are four ways communities can pull back for safety.
Matthew E. Kahn, USC Dornsife College of Letters, Arts and Sciences
A 1972 report warned that unchecked consumption could crater the world economy by 2100. Fifty years and much debate later, can humanity innovate quickly enough to avoid that fate?
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.