A critical look at geoengineering against climate change

Title:
A critical look at geoengineering against climate change
Speaker:
David Keith
Description:

Environmental scientist David Keith proposes a cheap, effective, shocking means to address climate change: What if we injected a huge cloud of ash into the atmosphere to deflect sunlight and heat?

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Video Language:
English
Team:
closed TED
Project:
TEDTalks
Duration:
15:35
TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4
TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4
TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4
TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4
TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4
TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4
TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4
TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2007S/None/DavidKeith_2007S-transcript.mp4
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