Why activists have dyed rivers bright green throughout France
April 28, 2016, 2:40 a.m. by Bryan Nelson
The color looks radioactive, but activists promise it is nontoxic and harmless to marine life.
Coral reef larger than Delaware discovered in muddy Amazon waters
April 24, 2016, 10:36 p.m. by Bryan Nelson
The massive reef, likely composed of many species new to science, is unlike any other known on Earth.
Watch the seasons change in America's oldest river valley
December 23, 2015, 6:32 a.m. by Catie Leary
In this short film, Harun Mehmedinovic shines his lens on one of Earth's oldest rivers and the famous bridge that runs over it.
Architecture firm proposes retractable ice rinks for the River Thames
December 10, 2015, 3:04 p.m. by Matt Hickman
Could this be a Christmas miracle in London ... or the ultimate cold weather pipe dream?
Run wild in this Chinese landscape pavilion that mimics a meandering river
November 5, 2015, 5:34 p.m. by Matt Hickman
'Where the River Runs' is a pop-up meadow with a deep environmental message.
Prophetic horsemen sculptures emerge from the River Thames
September 9, 2015, 3:20 p.m. by Matt Hickman
Jason deCaires Taylor's sculptural commentary on fossil fuels comes and goes with the tides.
Opinions flow freely over Frank Gehry's Los Angeles River redesign
August 19, 2015, 6:10 p.m. by Matt Hickman
The architect breathed new life into downtown L.A. Can he do the same for the city's river?
How do you clean up a contaminated river?
August 13, 2015, 10:10 a.m. by Stephanie Pappas, LiveScience
Officials are working to stem the flow of heavy metal-laden wastewater in Colorado.