September 24, 2010
This fall, construction is set to begin on a $4 million pop-up floodwall near the National Mall in Washington, D.C. It’s designed to be assembled quickly in the event that torrential rains cause the nearby Potomac River to spill into the city. (Four years ago, heavy storms led to the flooding of buildings like the National Archives and the offices of the IRS.) The ten-foot wall is high enough that it should be able to stop even monster floods like the one in 1942 that caused millions of dollars in damage. But the new barrier will have one glaring flaw.
Are We Ready For The Rising Seas?
January 14, 2010
One aspect of climate change that's already affecting people in various parts of the world is the slow but steady rise in sea level (via YaleE360): Pacific and Indian Ocean atoll nations are already being abandoned because of the direct and indirect effects of sea level rise, such as saltwater intrusion into groundwater. In the Marshall Islands, some crops are being grown in abandoned 55-gallon oil drums because the ground is now too salty for planting. New Zealand is accepting, on a gradual basis, all of the inhabitants of the Tuvalu atolls.