Oceans

Where does the plastic in our oceans come from?
Massive turbine turns deep ocean currents into electricity 
A world map of private islands (some are a steal!)
We finally know why sunscreen kills coral reefs
A new device can make drinking water from seawater at the push of a button
3D-printed artificial coral reefs could save coastal fish
3D ocean farming: creating food while cleaning the ocean 
Horseshoe crabs are drained for their blue blood. That practice will soon be over.