Mayor Sylvester Turner gave his strongest endorsement to date for constructing a physical coastal barrier to protect the region from deadly storm surge.
There's a growing body of evidence that humans have been modifying tropical forests for over 40,000 years. What can this history teach modern conservationists?
Illegal logging continues to be a persistent problem in the Brazilian state of Maranhão, threatening an already fragmented wildlife habitat and forcing indigenous tribes off their land.