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2017 Fall Reports of the Commissioner of the Environment and Sustainable Development to the Parliament of Canada Report 1—Progress on Reducing Greenhouse Gases—Environment and Climate Change Canada

Independent Auditor’s Report

In a recent report (Climate Reality Check), David Pratt writes: "Anderson and Bows have shown that even with a too-high goal of holding temperatures to 2°C (with only a 66% probability of success), for developed economies to play a fair role they would have to cut their emissions by 40% by 2018, 70% by 2024, and 90% by 2030 from 1990 levels."

Climate Reality

The interactive version of this graphic is on CarbonBrief's site

The budget that the world should be living within is represented by the smallest blue circle .... which gives the world 5.2 years at the 2016 rate of emissions. Reducing the rate of emissions will give us more time.

carbon budget 2016

The International Panel on Climate Change, IPCC, calculated that there is a limited amount of carbon that the globe can emit this century. This is known as our carbon budget.

Depending upon what temperature we want to target and what probability of doing so, the budget can vary significantly. The Paris Agreement emphasized that the budget should be “consistent with holding the increase in the global average temperature to well below 2 °C above pre- industrial levels and pursuing efforts to limit the temperature increase to 1.5 °C above pre-industrial levels.” In order to “likely”...

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