YouTube home #YouTubeRewind


What We Know about Climate Change





The interactive transcript could not be loaded.



Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Uploaded on Feb 27, 2010

Support Climate Denial Crock of the Week - go to

This is the same video as "What do we know about Climate Change?", except it has a small typo -- I've left it up since so many places already have it embedded.

In the many responses I get to these videos, it appears that a number of people want to deny, or are not even aware, that there is a scientific foundation to the overwhelming consensus on climate change.

In fact, the science is built on thousands of publications and many decades of observation.

In this video we'll go over some of the fundamental discoveries, the
basic facts that we know beyond a doubt, about global warming.
Of course, many people will never believe science, because they believe that
anything that challenges their world view, is all part of a secret,
global conspiracy.

Increases in Longwave forcing inferred from Outward longwave
Trends in Forcings
Downward Longwave Radiation
Downward Longwave Radiation
29000 data sets, press release:
29000 data sets
Global Energy Imbalance:


When autoplay is enabled, a suggested video will automatically play next.

Up next

to add this to Watch Later

Add to

Loading playlists...