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We are all Albertans now

We are all Albertans now

It would be easy–too easy–to point to the wildfires which have devastated huge areas of northern Alberta near Fort McMurray, the hub of tar sands mining in Canada, and say that Albertans are reaping what they have sown. Yes, it’s true that climate change is coming to one of the very areas which is contributing disproportionately to climate change and with catastrophic results.

The source of the current catastrophe is that the boreal forest which surrounds the tar sands has been turned into a tinderbox because of increasingly warm, dry weather that used to be uncharacteristic of this area of Alberta. But, what is happening in Alberta was predicted decades ago to be one of the consequences of unchecked global warming.

Having said all that, we should remember that the warming we are experiencing today is actually the result of greenhouse gases dumped into the atmosphere as of 40 years ago or so. (The analysis cited gives a range of 25 to 50 years, a lag related to what is called the thermal inertia of the oceans.) If this is the case, what Albertans are experiencing today has almost nothing to do with the climate effects of tar sands exploitation since there was very little production from Alberta’s tar sands that long ago.

What this means, of course, is that there will be much worse to come even if today we were to reduce to zero all greenhouse gas emissions and other factors which are raising worldwide temperature.

The problems we are already seeing such as increased flooding in some places; increased drought in others; sea-level rise that is already swallowing islands; the rapid change in climate zones (which affects what we can grow in those zones); and myriad effects on plants and animals around the globe as their habitat shifts or disappears–all of these are just the beginning.

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Olduvai IV: Courage
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Olduvai II: Exodus
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