This year's theme for Earth Day is..... GO GREEEENN!!! Like always. Conserve water and heat, wear recycled clothes, and clear out a space in your backyard tree for the new family of birds that moved in a couple days ago. Have fun!! :0)
Earth Day 2012 is on Sunday, 22nd April 2012.
The theme is based on "Peace on Earth Goodwill to Men."
peace on earth
there are zero earth years
International Year of Planet Earth
Peace on earth, goodwill to men
I believe its "The Last Day on Earth" by Kate Miller-Heidke.
theme about like star on earth
well the day the earth started spining was the first day ever.
It was first celebrated in 1974. Under the theme "Only One Earth".
30769 Earth days, or 84.3 Earth years
Each day on Neptune takes 19.1 Earth hours. A year on Neptune takes 164.8 Earth years; it takes almost 165 Earth years for Neptune to orbit the sun once. Since Neptune was discovered in 1846, it has not yet completed a single revolution around the sun.