
What is Solar Geoengineering and Why is it Controversial?
Clip: Season 47 Episode 16 | 4m 16sVideo has Closed Captions
Solar geoengineering is like drawing a curtain over the face of the Earth.
Scientists propose putting reflective aerosols into the stratosphere to reflect the sun's rays. But will this have unintended consequences?
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.

What is Solar Geoengineering and Why is it Controversial?
Clip: Season 47 Episode 16 | 4m 16sVideo has Closed Captions
Scientists propose putting reflective aerosols into the stratosphere to reflect the sun's rays. But will this have unintended consequences?
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NOVA Labs
NOVA Labs is a free digital platform that engages teens and lifelong learners in games and interactives that foster authentic scientific exploration. Participants take part in real-world investigations by visualizing, analyzing, and playing with the same data that scientists use.Video has Closed Captions
Scientists look to geoengineering and other methods to cool the planet. (28s)
How Much Coal Do People Burn Each Year?
Video has Closed Captions
See how much CO2 we add to the atmosphere each year. (2m 13s)
Meet the NASA Scientist Who Uses Lasers to Study Forests
Video has Closed Captions
This researcher shoots lasers at trees in order to measure how much carbon forests store. (4m 5s)
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.