The trouble with negative emissions - Modellers report net CO2 emissions, hiding the scale of negative emissions User finiteworld, in the Collapse of Civilization subreddit, 11 Feb 2017
The trouble with negative emissions User Splenda, in the Information about the world's climate subreddit, 14 Oct 2016
The trouble with negative emissions User avogadros_number, in the GlobalClimateChange: How and Why Earth's Climate Changes subreddit, 14 Oct 2016