Warming oceans: How it happens

Warming oceans lead to a wide-ranging global complications, from rising sea levels to changes in marine ecosystems. 

For more information about ocean observations, read about the Global Ocean Observing System.

Latest videos

The world's loudest bird

1:32
Video: The world's loudest bird

Which came first: the chicken or the egg?

1:52
Video: Which came first: the chicken or the egg?

Why do flightless birds have wings?

1:12
Video: Why do flightless birds have wings?