This article was originally published online at Corporate Knights and will appear in the hard copy Winter 2016 Edition of the Corporate Knights Magazine, which is to be included as a supplement to the Globe and Mail and Washington Post later in January 2016. The photograph used in the original was changed for copyright reasons. Also reposted at Skeptical Science.
Human civilization developed over a period of 10,000 years during which global average surface temperatures remained remarkably stable, hovering within one degree Celsius of where they are today.
If we are to keep future temperatures from getting far outside that range, humanity will be forced to reduce fossil fuel emissions to zero by 2050. Halving our emissions is not good enough: we need to get down to zero to stay under the 2 C target that scientists and policy makers have identified as the limit beyond which global warming becomes dangerous.
Shell boasting about its government-funded Quest CCS project, on a Toronto bus. “Shell Quest captures one-third of our oil sands upgrader emissions”
Many scenarios have been proposed to get us there. Some of these involve rapid deployment of solar and wind power in conjunction with significant reductions in the amount of energy we consume.