Water Pollution
Can the cruise industry go carbon-neutral?
Why are Alaska’s rivers turning bright orange?
Ocean threats changing the planet
The world’s plastic pollution crisis, explained
Are the world's rivers dying? Author Robert Macfarlane thinks so
Extraordinary photos show the importance of freshwater habitats
Maya Gabeira surfs big waves—and helps to rid them of plastic
Swimmer Lewis Pugh braves near-freezing waters to protect them
Why are whales eating plastic bags? They may 'sound' like dinner.
What happens when an oil rig shuts down?
Why are cell phone contaminants showing up in tiger sharks?
Marine pollution, explained
Dragonflies can reveal mercury contamination. Here's how.
Sharks found with cocaine in their systems. How did that happen?
Biodegradable plastic exists—but it’s not cheap
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