Environment
- Environment
A gassy threat from above
In Earth’s atmosphere, nitrous oxide threatens the ozone layer.
- Environment
Springing forward
Climate change affects the timing of flowering, migration and other natural cycles, meaning spring is coming earlier in many parts of the world.
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- Environment
Mood-boosting drugs make unhappy fish
Drugs called antidepressants find their way into lakes and streams, affecting the behavior of fish living there in unexpected ways.
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- Environment
Polar ice feels the heat
This is the first of a two-part series on global climate change.
- Environment
Fear Matters
Halloween can scare kids and make them act strange. But animals and ecosystems respond to fear every day of the year.
- Environment
Acid snails
Changing chemistry in the world's oceans could affect the ability of a snail to defend itself.
- Environment
Lessons from a lonely tortoise
In the Galapagos Islands, scientists are struggling to save some of the most endangered creatures in the world.
- Environment
Where have all the bees gone?
More than one-fourth of the honeybees in the United States have disappeared since last fall, and scientists are trying to figure out why.
- Environment
Food web woes
If sharks disappeared from the oceans, rays might thrive, but shellfish would probably suffer.
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