Is human activity a substantial cause of global climate change?

Debate507 said:
There is considerable evidence that climate change is caused by human activity.

See these heated debates:
http://www.debateisland.com/discuss...-a-substantial-cause-of-global-climate-change

http://www.debateisland.com/discussion/1663/man-made-climate-is-real

http://www.debateisland.com/discussion/1053/climate-change

There are clearly 2 sides to the story, but it's disappointing that so many continue to deny it.
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For all those that claim human activity causes global warming I have a challenge for you. In unison, since you emit CO2 when you exhale, voluntarily stop breathing immediately and stop emitting it. Prove you're up for the cause.
 
I think Ill go wit the majority of those educated in the field and not some random dick wits on the internets
 
evince said:
I think Ill go wit the majority of those educated in the field and not some random dick wits on the internets
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Those you claim are educated say CO2 emissions are causing global warming. Since you emit CO2 when you exhale and you claim you'll go with what the educated ones say, when should we expect you to voluntarily stop breathing and emitting CO2?
 
Nordberg said:
The scientific data supports humans greatly accelerating global warming . It is scientifically proven . Maybe not shown on Fox. But it is a fact. 95 percent of scientists agree. The 5 percent taking money from Fox and Koch, do not. Have someone read this and explain it to you. https://www.ucsusa.org/global-warming/science-and-impacts/science/human-contribution-to-gw-faq.html
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Then show us this proof because ipcc knows its not proven. And if you're going to use discredited info, get it right. Its 97%.
 
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