Climate change: How do we know it is happening and caused by humans? October 24, 2021 at 05:01PMhttps://https://ift.tt/3EcPCwp What's the evidence for global warming and how do we know it's being caused by human activity?

What's the evidence for global warming and how do we know it's being caused by human activity?

from BBC News - World https://ift.tt/2Zf1oak