Carl Sagan testifying before Congress on climate change (1985) | Edit

Carl Sagan testifying on “how the greenhouse effect will change the global climate system and possible solutions.”

Contents (Unfortunately, YouTube will not allow video chapters on channels with less than 1,000 subscribers):
00:00 - Introduction
01:12 - Technological advancements and the climate
02:31 - Reluctance to address long-term problems
03:18 - Sunlight absorption and reflection
04:10 - The greenhouse effect
07:20 - Certainties and uncertainties
08:55 - Climate of other planets
11:32 - Consequences
12:39 - Possible solutions
13:48 - Inequality and global consciousness

The editing of this video includes minor clipping and the addition of B-roll to provoke additional understanding and entertainment value. The integrity of the original source remains unimpaired.

Original source: https://www.c-span.org/video/?125856-...

B-roll credits:
Video 1) nasa.gov, STS-129 HD Launch
Image 1) latinamericanstudies.org
Image 2) egypttoursplus.com
Image 3) britannica.com
Video 2) motionarray.com, Stockbusters
Video 3) motionarray.com, MrAesthetics
Image 4) marsdd.com
Image 5) gettyimages.com, Yenwen
Image 6) plantagreenhouses.com
Video 4) motionarray.com, Sergey Grbanoff
Image 7) amazon.com
Video 5) motionarray.com, remotevfx
Video 6) motionarray.com, videophilia
Video 7) motionarray.com, Ami Bornstein
Image 8) tsa.gov
Video 8) motionarray.com, Zavarykin
Video 9) motionarray.com, Stockbusters
Image 9) nasa.gov
Image 10) nasa.gov
Image 11) astronomy.com
Image 12) planetary.org
Image 13) nasa.gov
Video 10) motionarray.com, Matteo Ermeti
Image 14) nasa.gov
Video 11) motionarray.com, Sergey Grbanoff
Video 12) motionarray.com, Travel Penguin
Video 13) motionarray.com, Stockbusters
Video 14) motionarray.com, ma-moments
Video 15) motionarray.com, Todor
Video 16) nasa.gov

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