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Land

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    • Africa (collection) Featured Article Africa (collection) Africa (collection)

      Welcome to the Africa Collection! This new collection is centered on the environmental, economic and social challenges faced by the people of Africa. The goal of this collection... More »

    • Agriculture II Featured Gallery Agriculture II Agriculture II

      Humans began to cultivate food crops about 10,000 years ago. Prior to that time, hunter-gatherers secured their food as they traveled in the nearby environment. When they... More »

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Agriculture II Last Updated on 2012-07-26 at 11:56 Humans began to cultivate food crops about 10,000 years ago. Prior to that time, hunter-gatherers secured their food as they traveled in the nearby environment. When they... More »
Birds : Warming Could Benefit Some Species Last Updated on 2012-05-07 at 19:07 Birds, particularly those that fly, have a high metabolic rate that heightens their sensitivity to their immediate surroundings. As such, they have long served as bellwethers... More »
Polar Bears: Struggling in the Warming Arctic Last Updated on 2012-05-07 at 18:47 The polar bear is one of the world’s largest carnivores. It inhabits the ice-covered waters of the circumpolar Arctic, particularly annual ice over the continental shelf... More »
Penguins: Endangered by Melting Ice Last Updated on 2012-05-07 at 18:46 Rising temperatures and loss of snowpack or ice caps endangers a number of alpine and arctic species, including penguins. At the Antarctic, several species of penguins that... More »
Wine Grapes: Vulnerable to High Temperatures Last Updated on 2012-05-07 at 18:08 As temperatures rise in response to increasing greenhouse gas emissions, effects of climate change on the agriculture industry will become more pronounced. The largest impact... More »
Agriculture I Last Updated on 2011-09-12 at 11:06 Humans began to cultivate food crops about 10,000 years ago. Prior to that time, hunter-gatherers secured their food as they traveled in the nearby environment. When they... More »
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