Climate conditions affecting the planet continue to develop since the first Earth Day was celebrated in 1970. CBS News' David Schechter breaks down the newest challenges the Earth is facing.

It's been more than 50 years since the first Earth Day in the United States. On April 22, 1970, people gathered at events across the country to raise awareness about the environmental issues ...

Earth Day is celebrated on April 22 each year, promoting environmental protection and awareness since 1970.

The first Earth Day was celebrated in 1970, when 20 million people attended inaugural events at schools, universities, and other public areas around the country, according to the Library of ...