Environmental worrywarts fretting about irresponsible humans burning up the planet have succeeded in fomenting needless hysteria over global warming.

It's time someone knocked these self-appointed doom-mongers off their shaky soapbox. And now it's happened.

We finally have a calm, sober study on the likely impact of climate change in every region of Canada.

Produced for Ottawa over several years by more than 140 independent experts, it was released without fanfare earlier this month.

Almost 450 pages long, its ponderous title, From Impacts to Adaptation: Canada in a Changing Climate, shouldn't put anyone off. It's a darned good read.