On the 50th Anniversary of The Earth Day, NASA ( The National Aeronautics and Space Administration) released a video looking back at the 50 years of Earth Day.
A video looking back at the 50 years of Earth Day, Courtesy, NASA
NASA: 50th Anniversary of World Earth Day
To coincide with the 50th Anniversary of the World Earth Day, NASA has released a video which talks about the 50 years of Earth Day.
NASA: 50th Anniversary of World Earth Day
NASA also announced in a tweet that people can participate in the Question and Answer Session. NASA monitor Earth’s vital signs from land, air and space with a fleet of satellites and ambitious airborne and ground-based observation campaigns. NASA develops new ways to observe and study Earth's interconnected natural systems with long-term data records.