Human-Caused Climate Change - Hardner's Simple Rationale
I believe Climate Change is caused by humans because of four points:
1) CO2 can be shown to cause warming via the greenhouse effect in lab experiments:
1) CO2 can be shown to cause warming via the greenhouse effect in lab experiments:
2) Humans are producing record amounts of CO2 today:
3) The CO2 level in the atmosphere correlates with recent temperature rise:
http://solar-center.stanford.edu/sun-on-earth/glob-warm.html
http://solar-center.stanford.edu/sun-on-earth/glob-warm.html
4) No scientist has published an alternative explanation for warming that has been accepted by more than a few other scientists.
Note that the question of how to respond to Climate Change is entirely separate from the question of whether it is real and caused by humans.
Note that the question of how to respond to Climate Change is entirely separate from the question of whether it is real and caused by humans.
