Earth
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- Environment
A global warming flap
Differences in butterfly and moth breeding patterns are linked to a changing climate.
- Environment
Pollution at the ends of the Earth
Chemicals are turning up in small Arctic villages far from factories and cities.
- Environment
Watching out for vultures
Farmers giving medicine to cows are accidentally poisoning vultures, again.
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- Environment
Flu river
Rivers polluted with Tamiflu could help a resistant flu strain develop in birds.
- Environment
A gassy threat from above
In Earth’s atmosphere, nitrous oxide threatens the ozone layer.
- Animals
A grim future for some killer whales
An oil spill off the U.S. coast 20 years ago still threatens marine life.
- 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.
- Animals
Bringing fish back up to size
Changing the way we fish may help rescue a population's shrinking fish.
- Animals
Sponges’ secret weapon
An aquatic animal provides a possible new kind of disease resistance.
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