We're split when it comes to global warming and its causes

Just over half of Canadians (52 per cent), and Americans (49 per cent) said global warming is a fact and is mostly caused by emissions from vehicles and industrial facilities.

But only 43 per cent of Britons agree with this assessment.

How to Talk with Global Warming Deniers

Arkin proposes to not even bother with the hardcore deniers at all, as their minds are already set. Rather she chooses to lead by example, living a sustainable and planet friendly lifestyle. Sometimes, actions may actually speak louder than words.