Up Next
Back to Show
PBS News Hour
Why 2 degrees Celsius is climate change’s magic number
We hear all the time that we need to stop the planet from warming an additional two degrees Celsius above pre-industrial levels. Why is that specific number so important though? And what happens if we exceed that limit? William Brangham offers some background on that climate science target.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
23:59
December 6, 2020 - PBS NewsHour Weekend full episode
57:46
December 4, 2020 - PBS NewsHour full episode
24:33
November 29, 2020 - PBS NewsHour Weekend full episode
23:59
November 28, 2020 - PBS NewsHour Weekend full episode
26:36
November 21, 2020 - PBS NewsHour Weekend full episode
25:31
November 15, 2020 - PBS NewsHour Weekend full episode
30:29
November 14, 2020 - PBS NewsHour Weekend full episode
27:07
November 8, 2020 - PBS NewsHour Weekend full episode
27:13
November 7, 2020 - PBS NewsHour Weekend full episode
26:35
October 31, 2020 - PBS NewsHour Weekend full episode
26:40
October 18, 2020 - PBS NewsHour Weekend full episode
26:35
October 17, 2020 - PBS NewsHour Weekend full episode