The 45th anniversary of Earth Day is coming up on April 22! Check out the AAAS Science NetLinks Earth Day Collection for educational resources that help celebrate the event and spark conversations about enviromental citizenship and action.
We created this infographic detailing five important numbers that everyone should know when considering the state of the earth's health.
- 400 ppm: the current amount of atmospheric carbon dioxide: Co2 Now
- 90% of energy consumed in the United States comes from nonrenewable sources that pollute the environment: Institute for Energy Research
- 220 million tons of garbage are produced in the United States every year: Duke University - Center for Sustainability and Commerce
- about 40% of all rivers, lakes, and estuaries in the United States are too polluted for swimming or fishing: United States Environmental Protection Agency
- 322 animal species have gone extinct in the last 500 years from human activity: EurekAlert Science Reporting for Kids
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