Sentences with phrase «declining greenhouse gas emission scenarios»
Global rates of temperature change in high and declining greenhouse gas emission scenarios.
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«In a scenario of zeroed CO2 and sulfate aerosol emissions, whether the warming induced by specified constant concentrations of non-CO2 greenhouse gases could slow the CO2 decline following zero emissions or even reverse this trend and cause CO2 to increase over time is assessed.
The area of near - surface permafrost in the Northern Hemisphere is projected to decline by 20 % relative to today's area by 2040, and could be reduced by as much as two - thirds by 2080 under a scenario of high greenhouse gas emissions.
The best scenario from here on out is that 2014 was the year — in all of human history — that humans emitted the most greenhouse gases and that annual emissions will now start to decline, with the sharpest decreases from China, the United States, and Europe.
The IPCC report defines four timeline scenarios (Representative Concentration Pathways or RCPs) plotting amounts of carbon burned and resulting global average temperatures, depending on when global greenhouse gas emissions (GHG) peak and then decline.