Detailed text transcripts for TV channel - MSNBC - 20100612:01:10:00
Like new orleans from big storms. what is it they do that lessen the impact of storms? >> a number of factors, the biggest thing is friction. water and waves are affected by friction. so the farther a storm has to push water across land, any kind of land, the more it's going to slow it down. the more it's going to take energy out of what's known as the storm surge. and there are lots of different calculations about, you know, how many miles of marsh produce how many -- how much less of a storm surge. but that's a very important factor, and that's one of the reasons that the land loss has been ...