Green Car Congress

OCTOBER 31, 2017

ppm in 2015 because of a combination of human activities and a strong El Niño event. Concentrations of CO 2 are now 145% of pre-industrial (before 1750) levels, according to the Greenhouse Gas Bulletin. Concentrations of CO 2 are now 145% of pre-industrial (before 1750) levels. parts per million in 2016, up from 400.00

2016 186

2016 Climate Climate Change 2015 186

Green Car Congress

SEPTEMBER 25, 2009

The report released by the United Nations Environment Programme (UNEP), entitled Climate Change Science Compendium 2009 , highlights new research that identifies some events thought likely to occur in longer-term time horizons as already happening or set to happen far sooner than had previously been thought. Earlier post.).

Climate Change 259

Climate Change Climate 2007 Ozone 259

Cars That Think

NOVEMBER 16, 2021

C above pre-industrial levels. We see it as similar to the ozone hole problem, where we really needed a tight, science-based focus on the limits to human inputs to the system--and howthose inputs affected the ozone layer's ability to keep people safe. C by the year 2100 , according to Climate Action Tracker.

Climate 143

Climate Climate Change Mariner Pollution 143