Ecosystems
- Animals
Pandamonium over a Tiny Pest
A parasite threatens efforts to protect China's endangered icon.
- Earth
Froggie Needs a Name – and Help
To help raise awareness about the plight of frogs and toads, which are disappearing globally, Amphibian Ark is selling formal naming rights to an unusual frog.
- Animals
Polar bears listed
Polar bear declared "threatened," but Secretary limits decision's impact.
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- Health & Medicine
Perchlorate: A Saga Continues
Perchlorate is not yet a household word in many parts of the country. But it may becomes one if Sen. Barbara Boxer has her way. Perchlorate – an ingredient in solid rocket fuel, fireworks, flares and explosives – taints drinking-water supplies around the nation, not to mention plenty of foods. In animal tests, the pollutant […]
- Ecosystems
Bring in the replacements
Missing links in ecosystems disrupted by extinctions could be restored by introducing species that perform the same function, new field experiments suggest.
- Ecosystems
Building Homes Where the Buffalo Roamed
A new study finds that being environmentally conscious is no guarantee you’ll put your home where you mouth is.
- Ecosystems
Eight-legged bags of poison
Birds eating arachnids get high dose of toxic metal as mercury climbs up the food chain.
- Ecosystems
Beetle attack overturns forest carbon regime
Ravaged Canadian region switches from carbon sink to net carbon source.
- Ecosystems
Refugee Policy Needs a Shot in the Arm
Sometimes spending a little money on vaccinations up front can save a bundle down the line.
- Ecosystems
Predators return
Warming waters could push new predators into Antarctica's delicate ecosystems.
- Ecosystems
Spread of nonnative fish mirrors human commerce
Invasions of foreign freshwater fish are more common in areas with relatively high economic activity, suggesting that humans are a part of the problem.
