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
![Members of the Redbone Singers drumming group answered student's questions during an activity portion of St. Paul's first official Indigenous Peoples Day at American Indian Magnet School in St. Paul, Minn., on Monday, October 12, 2015. ]](https://k-5impactnewsgk-1.mheducation.com/wp-content/uploads/2018/09/OCT_GK1_012P.jpg)
In the Know
Celebrating an October Holiday
Some towns celebrate the day that Christopher Columbus landed in … read more
In the Know
Black Lives Matter
Some people are treated unfairly because they are African American, … read more
In the Know
Earth Day: Young People Against Climate Change
Earth Day is April 22. We think about how we … read more