The rallying cry for coastal restoration has been, “Put the river back into the marsh.” But a new study shows that fertilizer found in the river could weaken the marsh plants and soil. More troubling is another study that concludes we don’t really know whether these diversions are building land.
The corps would cover 65 percent of the cost — and more importantly, it would manage them.
Alternatives to plugging the crevasse include conduits beneath the levee or a bridge over the gap. These moves would buy time while scientists determine the pros and cons of this "free" diversion project and its potential impact on other projects planned as part of the struggle to rebuild a vanishing coast.
The huge barge has to be moved into place and sunk in order to seal the system from storm surge sweeping into Lake Borgne from the Gulf of Mexico, a process that takes more than nine hours and must begin four days before a hurricane strike is expected. In repeated tests, the barrier has yet to function reliably.
When the swollen Mississippi broke through to feed a marsh during Carnival 2011, it seemed to some like an alternative to the multi-million-dollar man-made diversion planned nearby. But conflicting views over whether to let 'Mardi Gras Pass' run wild are a perfect example of how complex coastal restoration issues can be.
Louisiana's treasurer and legislative auditor say a BP donation to two nonprofit groups was an improper arrangement because the state ultimately controlled how the money was spent -- so the state Legislature should have had a say in the deal. However, an attorney general's opinion from 2010 said the terms were proper.
The link between lead poisoning and crime is a mystery that none of the usual hypotheses — such as “get tough” police laws — can explain.
Garret Graves, Louisiana's coastal protection czar, contends that scientists behind a shockingly gloomy federal report are "just misinformed.” He said the state's master plan allows for adaptation as conditions change.
New technology has revealed that southeast Louisiana is sinking faster than previously known. Combined with rising seas due to global warming, a leading scientist says waters will rise "at least four feet." With more communities closer to open water, even minor hurricanes could cause catastrophic damage.
