It seems to be an issue of 'denial' and 'belief' to many - the same terms we use for religious belief.
We owe it to ourselves to treat doubt about climate change like any other valid doubt (see geology pre plate tectonics for an example of mainstream science being in short supply of doubt) and to stop treating climate change as a matter of belief.
'Believing' in climate change turns it into an opinion - the type of opinion that can never be truly right or wrong; "you have your opinions, I have mine."