But the paper contains a much higher level of comfort than does the IPCC that the world will not exceed the two degrees
warming threshold set by the UN.
Not exact matches
Changes in the annual percent of days in North America exceeding the temperature
thresholds set by the historical average of
warmest 10 % of days,
warmest 5 % of days and the
warmest 2.5 % of days.
Nor does he have the vaguest understanding of climate science — so it is not surprising that he misses the fact that the 2.6 scenario involves slightly more
warming than the
threshold set at Copenhagen as that to avoid dangerous
warming.
I think we can dispute how much
warming per doubling of CO2 the data support, but I think it's a going to be a very difficult task demonstrating a plausible mechanism (by plausible I mean something that isn't completely eliminated by existing observation and well - established theory) that
set t the sensitivity to CO2 to «zero» above some
threshold CO2 value.
Overall, and at least tentatively, some positive climate science - related news — albeit
set in the context of atmospheric CO2 being such that even if emissions were reduced to zero today there's enough
warming baked into the system that we will cruise past the critical 2 °C
warming threshold.
PARIS (December 8, 2015)-- The Science Based Targets initiative announced today that 114 companies have now committed to
set emissions reduction targets in line with what scientists say is necessary to keep global
warming below the dangerous
threshold of 2 degrees Celsius.