Taken on a SouthWings flight over the Mississippi River Delta with Gulf Restoration Network, these photos by Jonathan Henderson link visible wetlands damage to specific permits that oil and gas companies obtained for drilling at these sites in coastal Louisiana.
Annotated aerial photo set available at: https://www.flickr.com/photos/healthygulf/sets/72157643594038754/
The straight lines in this photo (right) are examples of the canals that oil and gas companies dredge through wetlands to access well sites. These artificial canals disrupt wetland hydrology and exacerbate or cause wetlands loss. A study conducted by the US Geological Survey found that oil and gas activities caused 36% of the coastal land loss that occurred in Louisiana from 1932 to 1990.
Read more about this from Jonathan Henderson here.