'Without these kinds of systems, the mission fails.' When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA astronaut Christina Koch once shared ...
Earth Day highlights the actions we can take to address environmental problems. Earth Day is a global event held every year on April 22, dedicated to celebrating Earth's natural beauty and raising ...
Earth Day first began 52 years ago as an effort to organize teach-ins on university campuses about sustainability amid threats to climate change from human behaviors. Now, April 22 represents an ...
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