how do you guys know humans are causing climate change

Question: how do you guys know humans are causing climate change
- Keywords:
  climate change,
  humans
Asked by chloe to Aileen on 7 Mar 2018.
- Aileen Baird answered on 7 Mar 2018:
  
  There is lots and lots and lots of evidence for humans causing climate change! The patterns that we see in the climate change match very well with patterns of humans activity (like burning fossil fuels). This means that scientists are very sure that humans are definitely causing climate change. In some ways this is good because we know that humans can also decrease the negative effects of climate change!

Caroline commented on 7 Mar 2018:

I like your answer Aileen.
I would also add that we also know that humans are responsible for causing climate change because squirrels do not burn coal

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Question: how do you guys know humans are causing climate change