What do we know about the marshes, marshes on the ocean and the ocean on the marshets?

By Matt Bewig, CNN, Mar. 27, 2018 The Great Barrier Reef is in danger of drying out, and scientists are warning about the threat to other coral reefs.What’s the latest?The Great Barrier’s corals are under severe stress as the temperature is rising, with the surface temperature rising by more than four degrees Fahrenheit over the …