10 interesting facts about the Earth
How old do you think the Earth is?
What may be the oldest known rocks on Earth, called the Nuvvuagittuq Belt on the coast of the Hudson Bay in Northern Quebec, and date back to 4.28 billion years ago, scientists estimate. How old do you think the Earth is?
Bing: How old is the Earth?
The ocean floor is made up of mountains, valleys, plains, plateaus, islands, ridges and volcanoes. The Earth’s floor below the ocean is very similar to that above the ocean.
Bing: What is the deepest part of the ocean?
Rainforests are one of the world’s primary carbon reservoirs. By absorbing carbon dioxide from the air, storing the carbon and giving us oxygen to breathe, tropical forests act as the Earth's thermostat, regulating temperatures and weather patterns. According to Rainforests.net, the world's rainforests contain anywhere from 40 percent to 75 percent of all animals in existence.
Bing: All animals in existence
Earth Day first began on April 22, 1970, when 20 million people across the United States participated in rallies celebrating nature and conservation. There’s still time to get involved.
Bing: Earth Day events in your area
It is estimated that one eighth of the world’s population lives in mountainous zones, and that mountains cover a quarter of the world’s surface. This famous mountain is known by several names including Chomolungma, Shèngmǔ Fēng and Deodungha.
Bing: Mount Everest
Name one famous environmentalist. Most people can't. Here are a few famous and not-so-famous environmentalists in honor of Earth Day.
Bing: Famous and not-so-famous environmentalists
Earth Day Impact
Earth Day had an immediate impact. By the end of the year, the United States saw some of its first major political efforts to protect the environment, including the founding of the U.S. Environmental Protection Agency (EPA).
Bing: Accomplishments of the Environmental Protection Agency
Earth Day Plot?
Rumor has it that April 22 was chosen because it's the birthday of Vladimir Lenin, the Russian revolutionary and founder of the Soviet Union. It has been speculated that organizers chose this day intentionally to link environmentalism with this.
Bing: Earth Day as communist plot
The Earth’s shape is kind of like a sphere, but its rotation causes the equator to have a bit of a muffin top. Even though the tallest mountain on Earth is Mount Everest, the furthest point from the center of the Earth is actually here.
Bing: Furthest point from the center of the earth