SciShow
To Save Sinking Cities, Just Add Water
It's more than climate change putting coastal cities at risk of catastrophic flooding. Subsidence, or sinking, affects cities as they pump out groundwater to use. The solution might be as simple as putting it back.
MinuteEarth
We're Oversalting Our Food, And It's Not What You Think
Want to learn more about the topic in this week's video? Here are some keywords/phrases to get your googling started: soil salinity - when soils have high salt levels that have adverse effects on plants
Curated Video
Denitrification
The process by which nitrate compounds in the soil are converted to free nitrogen in the atmosphere. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Metamorphism
The transformation of rocks beneath the Earth's surface through heat and pressure, and the presence of dissolved minerals in hot groundwater. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
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Protesters Listen to Speeches Against Fracking
Protesters Listen to Speeches Against Fracking at US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
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Environmentalists March in Slow Motion
Environmentalists March in Slow Motion at Rally Against Fracking at the US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
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Environmentalists with Anti-Fracking Banner
Environmentalists with Anti-Fracking Banner at US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
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Protesters Take Aim at Governor Cuomo
Protesters Take Aim at Governor Cuomo at Anti-Fracking Rally at the US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
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Demonstrators Rally for Clean Drinking Water
Demonstrators Rally for Clean Drinking Water at US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
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Anti-Fracking Protesters in Slow Motion
Anti-Fracking Protesters in Slow Motion at US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
Getty Images
Protesters March in Slow Motion
Protesters March in Slow Motion at Rally Against Fracking at the US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
Getty Images
Environmental Protesters at Anti-Fracking Rally
Environmental Protesters at Anti-Fracking Rally at US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
Getty Images
Environmentalists March in Slow Motion
Environmentalists March in Slow Motion at Rally Against Fracking at the US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
Getty Images
Speakers on Stage at Anti-Fracking Rally
Speakers on Stage at Anti-Fracking Rally at US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
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Environmentalist Protester in Penguin Costume
Environmentalist Protester in Penguin Costume at Anti-Fracking Rally at the US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
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Woman Protests Fracking in New York
Woman Protests Fracking in New York at US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
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Protestors March Against Fracking in Slow Motion
Protestors March Against Fracking in Slow Motion at US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
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Protesters Hold Signs Against Fracking
Protesters Hold Signs Against Fracking at US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)
Getty Images
Protesters at Anti-Fracking Rally
Protesters at Anti-Fracking Rally at US Capitol on July 28, 2012 in Washington, DC (Footage by Getty Images)