As the world observes the 50th anniversary of Earth Day on Wednesday, April 22, NASA is highlighting the agency's many contributions to sustaining and improving our home planet's environment with a week of online events, stories, and resources.
As the world observes the 50th anniversary of Earth Day on Wednesday, April 22, NASA is highlighting the agency's many contributions to sustaining and improving our home planet's environment with a week of online events, stories, and resources.
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