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Unraveling the secret lives of whales may help keep them from dying out.
Because of fishing, fish are becoming smaller and growing more slowly.
The northern spotted owl faces unpredictable threats and an uncertain future.
Can livestock and predators share the same land?
The disappearance of many birds could harm ecosystems that depend on them.
Saving energy at home requires paying attention to the building's windows, walls, and roof.
Sportfishing can account for a surprisingly large part of the catch of certain types of saltwater fish.
Getting a newspaper electronically would be much better for the planet than receiving the paper version.
Around the world, plants, animals, fungi, and other life forms are ending up in places where they don't belong.
Extremely tiny particles known as buckyballs can harm living cells.
Population growth in coastal areas could threaten shoreline ecosystems.
Scientists are breeding camels that are stronger, faster, and able to go longer on less water.