1
By TED-Ed
Published in 2014
Solar power is cheaper and more sustainable than our current coal-fueled power plants, so why haven't we made the switch? The real culprits here are the clouds, which make solar power difficult to control. Alexandros George Charalambides explains how solar towers and panels create electricity and...
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2
By TED-Ed
Published in 2013
Fresh water accounts for only 2.5% of Earth's water, yet it is vital for human civilization. What are our sources of fresh water? In the first of a two part series on fresh water, Christiana Z. Peppard breaks the numbers down and discusses who is using it and to what ends.
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3
Published in 2017
Forests cover about 30% of the planet, but deforestation is clearing these essential habitats on a massive scale. What is deforestation? Find out the causes, effects, and solutions to deforestation.
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4
The world is a watery place. But just how much water exists on, in, and above our planet? This set of data and tables show the amounts of water on Earth.
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5
NBC Learn and the National Science Foundation explore the threats and challenges to our most vital natural resource.
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6
Published in 2009
"Examines the role of the bottled water industry and its effects on our health, climate change, pollution, and our reliance on oil. The documentary is well structured and presents an overwhelming amount of evidence which will change the way anyone thinks about bottled and municipal water. Both the...
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