As our planet gets warmer, the oceans are getting warmer, too.
It can be too warm for coral. When they get too warm, coral lose their colors. This is called bleaching. Chemicals can hurt coral reefs, too.
Photo Credit: Seaphotoart/Alamy
In the Know
Getting to Know Dolphins
Dolphins live in groups called pods. Living in a pod … read more
In the Know
A Bumpy Ride
You are in rough patch of air. This is called … read more
In the Know
Native Truths at the Field Museum of Natural History
Our belongings are also part of the stories we tell. … read more