Earth and Human Activity
- Climate
How to curb the climate heating by contrails
Contrails are narrow clouds left behind in the sky by jets. They add to climate change. But a new study suggests a way to curb their contribution.
- Environment
Legos could last a disturbingly long time in the ocean
By looking at toys washed up on beaches, scientists have estimated how long it takes hard plastics to break down in the oceans. And it’s a long time.
- Environment
Laundry tweaks can help clothes last longer and pollute less
Clothes washed in cooler water and for less time shed less dye and fewer fibers, a new study finds. That’s better for clothes — and the environment.
- Chemistry
Converting trash to valuable graphene in a flash
Flash heating of carbon-rich wastes creates graphene, which has many commercial uses.
- Animals
Drones might one day capture a dolphin’s breath in midair
High-speed footage of dolphin spray reveals that droplets blast upward at speeds close to 100 kilometers per hour.
- Earth
Help for a world drowning in microplastics
Microplastic pollution in our oceans and lakes is a problem. Scientists are testing solutions — from more biodegradable recipes to nanotechnology.
- Oceans
Healthy coral reef sounds attract fish searching for a home
Playing the sounds of a healthy reef can help attract fish to dying corals, helping rebuild their community.
- Environment
Australian fires have imperiled up to 100 species
As massive wildfires consume huge swaths of Australia’s bush, untold species — many of them found nowhere else — are now threatened with extinction.
- Climate
5 things to know about the climate-saving benefits of tree planting
A recent analysis of the benefits of massive efforts to plant more trees triggered a firestorm of controversy.
- Environment
Don’t toss that vape!
Plenty of people talk about potential risks of vaping. But this teen habit also saddles schools with lots of trash — some of it quite toxic.
- Chemistry
Scientists look to hack photosynthesis for a ‘greener’ planet
Photosynthesis turns sunlight into energy for plants. Scientists want to know more about it, imitate it — even improve it.
- Life
A new spin on lab-grown meat
A technique inspired by how cotton candy is spun could help produce lab-grown meat at a lower cost and on a bigger scale.
