Bob Marshall

Bob Marshall covers environmental issues for The Lens, with a special focus on coastal restoration and wetlands. While at The Times-Picayune, his work chronicling the people, stories and issues of Louisiana’s wetlands was recognized with two Pulitzer Prizes and other awards. In 2012 Marshall was a member of the inaugural class inducted into the Loyola University School of Communications Den of Distinction. He can be reached at (504) 232-5013.

Recent posts

Water and subsidence: “You can’t manage what you don’t measure”

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New Orleans leaders long believed that the city’s safety lay in draining the soggy mud sponge it was built on. But as it drained, it also shrank, pulling most of the city below sea level. Officials now say the best way to control the damage roiling the area is by keeping that sponge full. First, they need a way to monitor what’s happening below.

New map, warning system gives detailed flood risk, but not for inside levees

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A state emergency official said the system will be “basically meaningless” to him during a major storm because the most reliable maps can not be issued until after he must order evacuations. And a UNO researcher who is expert on the risks facing communities on Louisiana’s sinking coast worries some of the maps could give residents a false sense of security.

Day after boasting of Gulf’s health, BP confirms 25,000-pound tar mat


On Monday BP released a statement claiming the environment of the northern Gulf of Mexico had returned its “baseline condition” five years after its Deepwater Horizon disaster pumped more than 200 million gallons of oil into the Gulf off Louisiana’s coast. But on Tuesday the U.S. Coast Guard was supervising the ongoing removal of a large oil tar mat on East Grand Terre Island that has yielded more than 25,000 pounds of oil mixed with sand since late February, a BPO spokesman confirmed.

Dam it: Fishers frustrated by closing of MRGO, but some catches increase

Some fishers claim the rock dam built across the MRGO in 2008 to block storm surge has hurt fishing

It's a peculiar position for those who make their livings and live their lives around the fishing culture of St. Bernard Parish: They say that a post-Katrina rock dam restricting the waterway, which flooded the parish, is hurting their business. But scientists say it's a return to a natural balance that was upset when the canal was dredged.