In all but the most optimistic cases, the study finds
negative emissions requirements that «have not yet been shown to be achievable».
«Choosing additional climate targets other than the increase in global mean temperature (for example, limiting ocean acidification) may also reduce compatible emissions and again increase gross
negative emissions requirements.»
Not exact matches
3 ref is from 2017: Young people's burden:
Requirement of
negative CO2
emissions.
It would be desperate times indeed if we were faced with a
negative -
emissions requirement of 200 - 300ppm CO2.
Hansen, J. et al.: Young People's Burden:
Requirement of
Negative CO2
Emissions, Earth Syst.
Young People's Burden:
Requirement of
Negative CO2
Emissions, by twelve of us [1], is being made available as a «Discussion» paper in Earth System Dynamics Discussion on 4 October, as it is undergoing peer review.