'Irreplaceable' Colombian bird collection at risk

Under a cracked and leaky ceiling, Andres Cuervo works on a colorful, dead hummingbird for the ornithological collection of the National University of Colombia, the country with more bird species than any other.

The wetland model of urban sustainability

Writing in the International Journal of Global Environmental Issues, a team from Japan explains that "wetlands play an important role in a sustainable urban future." They add that these environmental regions provide ecological ...

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