With all the talk, studies, resolutions, solutions, agreements, actions, and rebellions, the amount of CO2 in the atmosphere continues to rise.
Weekly average for the week of:
20 October 2019: 408.78 parts for million (ppm)
This time last year: 406.61 ppm
10 years ago: 384.74 ppm
Pre-industrial base: 280
Safe level: 350
Atmospheric CO2 reading from Mauna Loa, Hawaii (part per million). Source: NOAA-ESRL
Scientists have warned for more than a decade that concentrations of more than 450ppm risk triggering extreme weather events and temperature rises as high as 2C, beyond which the effects of global heating are likely to become catastrophic and irreversible. Read more at the Guardian . . .