Tag Archives: ecology

Man-made Global Warming Started With Ancient Hunters

By Guest PostJuly 2, 2010Environment, Scienceadam wolf, agriculture, agu, alaska, american geophysical union, Anthropocene, asia, beringia, betula, birch trees, california, carnegie institution, carnegie institution for science, chris doughty, chris field, climate, ecology, elephants, emissions, geological age, geophysical research letters, global warming, grassland, greenhouse gas, impact on climate, mammoths, NASA, North America, prehistoric farmers, russia, science in Stanford, Siberia, yukon territory

WASHINGTON — Even before the dawn of agriculture, people may have caused the planet to warm up, a new study suggests.

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The Shrinking Aral Sea

By Guest PostApril 9, 2010Environmentaral sea, central asian states, cotton, ecology, fish population, fourth largest lake, kazakhstan, lake ecology, paddies, rice, salt-laden, shrinking aral sea, uzbekistan

The Aral Sea is actually not a sea at all. It is an immense lake, a body of fresh water, although that particular description of its contents might now be more a figure of speech than practical fact.

Once it was world’s ‘fourth’ largest lake. But now the lake has shrunk by 70 percent.

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