Thousands of dams across the US are aging and overdue for maintenance. Taking them down can revive rivers, restore fish…
Small-scale gold mining operations in developing countries are major sources of toxic mercury pollution, using techniques…
Net zero energy buildings produce at least as much energy as they use. Designing whole net zero campuses and communities…
Extreme weather events prompt people to move, a trend that could accelerate in a warming climate. But the ability to migrate…
Microscopic ocean phytoplankton feed a "biological pump" that carries carbon from the surface to deep waters.…
The COVID-19 pandemic is interrupting scientific field work across North America, leaving blank spots in important data…
Frederick Law Olmsted, the designer of many great North American city parks, understood that ready access to nature made…
Are facilities that produce necessities like energy and clean water doomed to be ugly? Not when artists and landscape architects…
Amid the COVID-19 pandemic, some critics say livestock farms promote diseases that spread from animals to humans. An animal…
Are 'murder hornets' from Asia invading North America? A Japanese entomologist who's been stung by one and lived…
From Nairobi to Los Angeles, pandemic lockdowns have cleared pollution from the skies. But those blue vistas may be temporary,…
COVID-19 outbreaks have occurred at more than 100 US meatpacking plants. Geography, workforce demographics and economic…
The US faces a high risk of hurricanes and other disasters this year that could leave thousands of people in need of shelter.…
How should the United States power its economy in 2050? A recent survey finds surprising agreement from Americans of all…
After a 5-year review, the EPA is leaving US standards for fine particle air pollution unchanged, even though recent studies…