Conversation

If you are looking for something to link people to regarding evidence for anthropogenic global warming, you could do a lot worse than:

https://skeptoid.com/episodes/4549

Yes, Dunning is a bit of a jerk, but he really reigns it in for this one and focuses specifically on the hard science behind two key points:

1. Evidence that the Earth's atmosphere's excess carbon dioxide is human generated
2. Evidence that this human generated carbon dioxide is warming the planet

HTH HAND