Celebrated by more than 175 countries, Earth Day is held every April 22nd and promotes appreciation of the Earth’s natural environment. To help increase awareness, we’re sharing the following books and articles on our top five most researched environmental topics, and making them free for a whole month!
- Global Warming: Characterized by an increase in the Earth’s average surface temperature, global warming is a worldwide phenomenon that has been reported on in everything from media outlets to scientific journals. Evidence of global warming includes an increase of 0.8° C (1.4° F) in the last 20th century with about two thirds of this increase occurring since 1980. Read more