Drought and recovery

These images from the NASA Earth Observatory show areas of drought (brown = below average plant growth) and excess plant growth (green = above average plant growth). Northern Iraq is suffering a severe drought. Much of the country's grain is dependent on seasonal rainfall rather than irrigation: Grain-producing regions of Afghanistan, on the other hand, …

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Lake Powell images, 1999 to 2009

NASA's Earth Observatory has a series of images from 1999 to 2009 showing fluctuating water levels in Lake Powell in southeastern Utah. Lake Powell is formed by Glen Canyon Dam on the Colorado River in northern Arizona. Earth Observatory has a "play" link to watch the images in played in order. From the description at …

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Taliban areas of Pakistan

Imagine the Taliban with nuclear weapons. That could happen if the worst-case scenario happens in nuclear-armed Pakistan, where the radical terrorist group is making significant advances. A Taliban conquest of Pakistan is by no means certain. The Pakistani military is powerful and could strike back. Or the cultural differences between the tribal Taliban and the …

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NASA Earth Observatory turns 10 — vote for your favorites — final round

Out of over 3000 images that have appeared over the past ten years on the NASA Earth Observatory site, viewers have voted and narrowed it down to their favorite 50. From now until April 27th, viewers can vote for their favorite out of these 50, and the winning image will be announced on April 29th. …

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