Study acquits sun of climate change

So how many factories did we have burning fossil fuels, to end the ice age?  Talk about global warming on a huge scale!!

I'm sure there is a perfectly good scientific explanation for global warming, other than "Humans did it". 
Here's one for instance.

http://www.telegraph.co.uk/earth/earthnews/7772399/Carbon-burp-from-deep-ocean-kick-started-global-warming-at-end-of-last-Ice-Age.html

Carbon 'burp' from deep ocean kick-started global warming at end of last Ice Age