If you haven’t watched this before, you should. The brilliant Carl Sagan testifying before the United States Congress in 1985 on #ClimateChange.

We should have listened then. Will we now?

Climate change isn’t an on & off switch. It’s an exponential dial. youtu.be/Wp-WiNXH6hI?si=pWQ4Vg…

Carl Sagan testifying before Congress in 1985 on climate change

Original source: https://www.c-span.org/video/?125856-1/greenhouse-effectDECEMBER 10, 1985“Witnesses testified on how the greenhouse effect will change the g...

^YouTube