These days the fact that climate change is happening is a given (and yeah, we say "climate" change becaue when you say "global warming" people tend to point to a cold snap and say, how is THAT global warming? Because, climate change.) But can you explain how the global warming/climate change phenomenon works?
No worries, this cartoon will do it for you in under a minute.
For those of us with a slightly longer attention span, here's the five-minute version: