In this article, the unfolding map is very impressive. Have a look at it.
WET LAND NEEDS WETLANDS
Houston’s flooding shows what happens when you ignore science and let developers run rampantSince Houston, Texas was founded nearly two centuries ago, Houstonians have been treating its wetlands as stinky, mosquito-infested blots in need of drainage.
Even after it became a widely accepted scientific fact that wetlands can soak up large amounts of flood water, the city continued to pave over them. The watershed of the White Oak Bayou river, which includes much of northwest Houston, is a case in point. From 1992 to 2010, this area lost more than 70% of its wetlands