Apr 18, 2018

Who was the first scientist to explain how global warming works? Is Apple or HP more sustainable? Find out those answers and more in today’s Earth Day quiz, and remember — anyone who gives it a try is entered to win a free T-shirt or sticker. Good luck!

By Earth911

We’re serious about helping our readers, consumers and businesses alike, reduce their waste footprint every day, providing quality information and discovering new ways of being even more sustainable.