With clear, easy to understand data-driven graphics, this video chronicles the changes that have occurred since the first Earth Day in 1970. Though it begins with alarming realities, such as the doubling of our population, the fact that we’re emitting 2.6 times more CO2, and how sea levels have risen 12 centimeters, it also presents the positive changes that have been made to our world. Check out this video for a short, yet powerful and balanced perspective of how the Earth has changed over the last 50 years.