CBS News Earth Day 2021: 60 Minutes revisits climate change reporting archive To mark this Earth Day, 60 Minutes looks back on our reporting on climate change and the environment over the years. 2021 Apr 22 This Earth Day, many around the world will spend a second consecutive year celebrating our planet from the relative safety of home, as the COVID-19 pandemic continues to test the world in unprecedented ways. To mark this Earth Day, 60 Minutes looked back at some of the climate change stories we have reported over the years. We begin in February 2006, and a report we called, "Global Warning!" In 2006, Scott Pelley and a 60 Minutes team traveled to the Arctic to speak with scientists, including leading authority on climate change Robert Corell and glaciologist Carl Boggild, to unearth and explain the effects that man is having on the world's climate.