We all have the same address

Recently I read the above comment. As residents of the planet, earth systems science tell us that. We are not merely inhabitants of a region or even of a regional environment. Here’s an excerpt from The Guardian this morning.

CO2 levels in the atmosphere

Weekly averages
22 September 2019: 408.32 ppm
3 October 2018: 405.63 ppm
3 October 2009: 384.73 ppm
Pre-industrial base: 280
Safe level: 350
Atmospheric CO2 reading from Mauna Loa, Hawaii (part per million). Source: NOAA-ESRL

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A Green New Deal for Canada