Minorities are driving the bicycling boom, but bike infrastructure investments often neglect their needs. A new study explores what riders in low-income and minority neighborhoods want.
Dozens of cities, states and nations are enacting bans and restrictions on single-use plastic bags and other items. A legal expert explains how a global treaty could build on these efforts.
The Grand Canyon, which marks 100 years as a national park on Feb. 26, 2019, is known today as an iconic natural wonder. But early European visitors weren’t impressed.
Polls suggest that the majority of Americans think climate change is real, is caused by humans and needs to be addressed. But climate change isn’t a priority when Americans go to vote.
An atmospheric scientist explains why water can do some strange-looking things at very cold temperatures, and what’s different about snowfalls on Mars.
The Trump administration is sharply reducing environmental protection for wetlands and streams across the US. This roundup of stories spotlights the many benefits that such water bodies provide.
The Trump administration wants to end federal protection under the Clean Water Act for many small streams and wetlands. But as a geoscientist explains, these are critical parts of large river systems.
Nearly 1,800 Brazilian dams are at risk of failure, according to the government. Fixing them is expensive – but ignoring aging dams can have considerable social, economic and environmental costs.
Life-threatening cold temperatures in the central US are caused by changes in wind circulation in the Arctic that bring cold air south. Climate change could make these events more frequent.
Brazil’s new president could clear the way for plans to develop remote areas around the Tapajos River basin over the objections of the indigenous people who live there.
How do you pack butterflies for shipping, or frogs for an overland hike to a new habitat? Three scientists explain how they keep threatened species safe on the road and in the air.
It’s cheaper to prevent biological invasions than to react after they happen. But it’s hard to detect invaders while there are still just a few of them. Knowing when and where to look can help.
Climate change is happening and will intensify in coming decades. Some experts say it’s time for a triage strategy that focuses investments where they are most likely to have an impact.
Snorkeling off the California coast, a high school student found heaps of golf balls on the ocean floor. With a marine scientist, she showed that golf courses were producing tons of plastic pollution.
Bison once dominated the Great Plains but were nearly wiped out by hunters in the 1800s. Now scientists are learning that bison’s presence improves plant and wildlife diversity on the prairies.
Fertilizer is a key source of nitrogen pollution which fouls air and water worldwide. Current regulations target farmers, but focusing on producers could spur them to develop greener products.
What is the best way to conserve US national parks in a climate-altered future? One answer is connecting parks and other public lands, so plants and animals can shift their ranges.
Mangrove forests along the world’s tropical and subtropical coasts store enormous quantities of ‘blue’ carbon – especially in river delta zones, where soil builds up quickly.
A few decades ago Boston Harbor was one of the nation’s dirtiest water bodies. Now, healthier fish in the harbor underscore that a multibillion-dollar cleanup has succeeded.