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Older zoos face decisions around cages built for different times
The Maryland Zoo in Baltimore is planning to spend millions to build new habitats next to historic wrought-iron cages.
Horseshoe crab blood (and, why conservation pays)
The race to find a synthetic replacement for the blood of horse shoe crabs.
The price of nature conservation in the U.K.
In the spirit of environmental conservation, the British government wants to put a price on nature. They've created a group called the Natural Capital Committee, which will put a dollar value on landscapes, river purity, and wildlife.
U.N. warns Australia over Great Barrier Reef
The United Nations World Heritage Organization says the Great Barrier Reef may soon be on its endangered list if Australia doesn't control its industrial development in the next eight months.
Preserving endangered sounds and discovering Ctrl-F
Bernie Krause is stockpiling sounds that are fading away.
What do you think: Is it OK for kids to capture fireflies and bugs to learn about nature?
When I was a kid I'd spend summer nights collecting fireflies. I wasn't interested in killing them--just capturing them and watching them flash in...