Louisiana flood projections require urgent action, officials say

Louisiana officials are revising the master plan for combating flooding and storm surge damage and have abandoned the projection of no net loss of land by 2035.

The new master plan, to be released in 2017, is more pessimistic than the 2012 version. State officials had thought they could stabilize land loss in the next 20 years, and then be able to add land to the coast. They now say it would take much longer to break even, and that goal may be unrealistic.

New research shows that the rates of land loss and sea level rise rise will be far greater during the last 20 years of the 50-year plan than during the first two decades. Thus, the 2017 master plan, and any work done in the next 20 years is extremely urgent.

Officials will soon announce a list of as many as 200 projects that they will include in the 2017 plan. The plan will include initiatives to build wetlands and land, build and raise levee systems across the state, and raise or relocate homes and businesses still threatened by surges and sea level rise.

New York City has two very large buildings dedicated to answering the 911 calls of its five boroughs. With more than 11 million emergency calls annually, it makes perfect sense. The second of these buildings, the Public Safety Answering Center II (PSAC II) is located on a nine-acre parcel of land in the Bronx. It’s an imposing 450,000 square-foot structure—a 240-foot-wide by 240-foot-tall cube. The gleaming aluminum cube risesthe equivalent of 24 stories from behind a grassy berm, projecting the unlikely impression that it might actually be floating. Like most visually striking structures, the building has drawn as much scorn as it has admiration.