That led to rules that steadily reduce carbon emission levels (and parallel rules to increase corporate average fuel economy) from 2012 through 2025. (greencarreports.com)
This report calls for carbon emissions levels to be considered against expected revenues to better identify assets potentially at risk of impairment. (carbontracker.org)
Atmospheric chemist Paul Crutzen, a 1995 Nobel laureate, believes shooting 5.3 million tons of sulfur dioxide into the atmosphere annually could offset a doubling of carbon emission levels. (discovermagazine.com)