In honor of Earth Day, here's some pictures and fun facts!
There are actually two Earth Days — the April 22 holiday and the one celebrated on March 20, the first day of spring in the Northern Hemisphere and the autumnal equinox in southern latitudes.
Belugas can swim backwards!
Since the early 19th century, Earth's magnetic north pole has been creeping northward by more than 600 miles. The rate of movement has increased, with the pole migrating northward at about 40 miles per year currently. (Also part of the reason your runway directions keep changing).
Never underestimate the importance of recycling: if every newspaper was recycled, we could save about 250,000,000 trees each year!
Recycling one aluminum can saves enough energy to watch a TV for three hours - it's equivalent to half a gallon of gasoline.
There are up to 10,000 different types of grass in the world - ranging from grass to rice to wheat to corn to sugarcane and bamboo!
The deepest point on the ocean floor is 35,813 feet below sea level in the Mariana Trench!
Go plant a tree. Or save a whale. Or eat some grass!