Great Barrier Reef’s ‘unprecedented’ threat from dredging, dumping

Completed in 1878, This Isolated Sea Fort is Now a Luxury Hotel

National Climate Assessment : Report details impacts of global warming on the U.S.

Missing snowpack in the West

White House unveils dire warning, calls for action on climate

Ditching microbeads: the search for sustainable skincare

10 photos from L.A.’s long-gone Pacific Ocean Park, a day out by the sea you’ll never enjoy