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Environment

The Top 5 “Earth as Art” Images, Thanks to Landsat

July 23, 2012

Want to stay on top of all the space news? Follow @universetoday on Twitter NASA’s first Earth-observing Landsat satellite launched from Vandenberg Air Force Base on July 23, 1972, and to celebrate the 40th anniversary of the program they asked the public to vote on their favorite images of the planet from the Landsat Earth as [...]

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Go an Hour Without Power: Earth Hour 2012

March 30, 2012

You’ve seen all the videos and images we’ve been featuring lately that astronauts on the International Space Station have taken of Earth from orbit. The one ubiquitous feature is the amount of lights showing up from cities and towns around the world. But will you be turning off the lights this weekend for Earth Hour [...]

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How Plants May Have Helped Create Earth’s Unique Landscapes

February 3, 2012

According to conventional thinking, plant life first took hold on Earth after oceans and rivers formed; the soil produced by liquid water breaking down bare rock provided an ideal medium for plants to grow in. It certainly sounds logical, but a new study is challenging that view – the theory is that vascular plants, those [...]

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As the World Burns: Satellites Watch Fires Around the World

October 26, 2011

NASA put out this video last week and we missed covering it, but this is a very interesting little video that takes you on a narrated global tour of tens of millions of fires detected from space between July 2002 and July 2011. Yes, that’s right, tens of millions of fires on Earth, and these [...]

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Climate Vs. Weather Video

January 19, 2010

It happens every winter, and even more so during the recent cold snap here in the US: frequently people say, “Well, so much for global warming! Guess that’s not an issue anymore!” But there’s only one way to respond to that: “WRONG.” I was going to write an article about the difference between climate and [...]

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