1
By TED-Ed
Published in 2014
It takes a lot of fuel to heat our homes, preserve our food, and power our gadgets. And for 40 percent of the world, cheap, plentiful coal gets the job done. But coal also releases pollutants into the air, causing environmental damage like acid rain and serious health problems. Can we create a...
Grade Level   6 7 8 9 10 11 12
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2
By TED-Ed
Published in 2016
With riing temperatures and seas, massive droughts, and changing landscapes, successfully adapting to climate change is increasingly important. For humans, this can mean using technoogy to find solutions. But for some plants and animals, adapting to these changes involves the most ancient solution...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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3
By TED-Ed
Published in 2015
We’ve all been told that we should recycle plastic bottles and containers. But what actually happens to the plastic if we just throw it away? Emma Bryce traces the life cycles of three different plastic bottles, shedding light on the dangers these disposables present to our world.
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4
By TED-Ed
Published in 2017
"Deep underground lie stores of once-inaccessible natural gas. There's technology, called hydraulic fracturing, or """"fracking,"""" that can extract this natural gas, potentially powering us for decades to come. So how does fracking work and why is it a source of such heated controversy? Mia...
Grade Level   6 7 8 9 10 11 12
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5
By TED-Ed
Published in 2017
Our ability to mine great amounts of energy from uranium nuclei has led to bill nuclear power as a plentiful, utopian source of electricity. But rather than dominate the global electricity market, nuclear power has declined from a high of 18% in 1996 to 11% today. What happened to the great promise...
Grade Level   9 10 11 12
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6
By TED-Ed
Published in 2013
Science columnist Lee Hotz describes a remarkable project at WAIS Divide, Antarctica, where a hardy team are drilling into ten-thousand-year-old ice to extract vital data on our changing climate. Robert Lee Hotz is the science columnist for the Wall Street Journal, where he writes about cutting-edge...
Grade Level   9 10 11 12
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