Sentences with phrase «precise emissions levels»

Not exact matches

«The precise dating of these two flares, their chronological order and the level of emission in between are difficult to assess,» Clavel laments.

Continued use of fossil fuels into the 21st century is predicted to lead to atmospheric CO2 levels > 900 ppm by 2100 (under Representative Concentration Pathway (RCP) 8.5; Meinshausen et al., 2011), though the precise level is highly dependent on the emission scenario (Pachauri et al., 2014).

But arguments over the precise value of climate sensitivity duck the wider point, which is that even if we're lucky and climate sensitivity is on the low side of scientists» estimates, we're still heading for a substantial level of warming by the end of the century if greenhouse gas emissions aren't addressed, as the IPCC has highlighted.

The precise levels of climate change sufficient to trigger tipping points (critical thresholds) remain uncertain, but the likelihood of crossing tipping points in the earth system or interlinked human and natural systems decreases with reduced greenhouse gas emissions (medium confidence).