sustainability

Celebrate Earth Day with NBC Learn's Changing Planet and Sustainability: Water

From NBC Learn  --  In preparation for Earth Day on April 22, explore NBC Learn’s Original Collections Changing Planet and Sustainability: Water. These earth science series, produced in partnership with the National Science Foundation, cover headline issues from the future of California’s water supply to how butterflies are adapting to warmer temperatures. Use these videos to engage and involve your students in the environmental issues in the news today.