Environment
- Ecosystems
This seagrass is taking over the Chesapeake Bay. That’s good and bad news
Higher water temperatures are wiping out eelgrass in the Chesapeake Bay and weedy widgeongrass is expanding. Here’s why that seagrass change matters.
By John Carey - Chemistry
Tear-resistant rubbery materials could pave the way for tougher tires
Adding easy-to-break molecular connectors surprisingly makes materials harder to tear and could one day reduce microplastic pollution from car tires.
By Skyler Ware - Environment
Dust from a shrinking Great Salt Lake may be accelerating Utah’s snowmelt
About a quarter of the record-breaking, snow-melting dust on the Wasatch Mountains in 2022 may have come from exposed lakebed at Great Salt Lake.
- Earth
Irrigation may be shifting Earth’s rotational axis
Computer simulations suggest that from 1993 to 2010 irrigation alone could have nudged the North Pole by about 78 centimeters.
By Sid Perkins - Ecosystems
The Amazon might not have a ‘tipping point.’ But it’s still in trouble
Scientists race to foretell the fate of the vast forest facing deforestation and climate change.
By Nikk Ogasa - Environment
Rising groundwater threatens to spread toxic pollution on U.S. coastlines
Sea level rise is pushing groundwater into shallower layers of earth, threatening to spread hazardous chemicals from contaminated soils.
By Nikk Ogasa - Environment
Surviving a drought may help forests weather future dry spells
Climate change is making droughts more intense and frequent, but conifer forests have a trick up their sleeve, airplane and satellite data show.
- Environment
This house was built partly from recycled diapers
Disposable diapers can replace nearly a third of the materials used in load-bearing structures, offering a potential path to more affordable housing.
- Environment
More than half of the world’s largest lakes are drying up
Satellite data from 1992 to 2020 reveal that 53 percent of the world’s largest freshwater bodies shrank during that period while only 24 percent grew.
By Nikk Ogasa - Climate
Thawing permafrost may unleash industrial pollution across the Arctic
As the frozen ground warms due to climate change, industrial pollutants could flow free from thousands of sites across the Arctic.
By Nikk Ogasa - Climate
Methane may not warm the Earth quite as much as previously thought
Methane absorbs both longwave and shortwave radiation, with competing effects on climate, a study finds. The gas remains a potent warmer of the planet.
By Douglas Fox - Earth
The Great Salt Lake is shrinking. What can we do to stop it?
A dropping lake level affects agriculture, public health and the environment — but water conservation can halt the decline.