Earth
- Climate
Major twister hits Oklahoma
Its speed, which largely determines the damage it causes, is still unknown.
- Climate
Explainer: Why a tornado forms
Tornadoes start with a thunderstorm. But they also require other ingredients, such as instability.
- Environment
Pee is for power
The water in urine can be a source of hydrogen for electrical generators.
-
- Environment
Fungi as carbon keepers
A common type of fungus stores most of a forest floor’s carbon underground.
-
- Agriculture
Cool Jobs: Green Science
In parts of the Arctic, entire forests are creeping northward. Luckily, ecologist Serge Payette is hot on their trail.
- Environment
Bad for breathing
New study connects pollution to several common diseases that affect the lungs and airways.
- Ecosystems
Predators as climate helpers
In lakes and streams, fish and insects can help protect aquatic plants that gobble up greenhouse gas.
- Earth
Ahead of the wave
Scientists are working to predict — and tame — the tsunamis that can threaten some coastal communities
-
- Climate
Climate’s troublesome kids
The recurring climate events El Niño and La Niña trigger long-lived changes to weather around the world.
