The Earth needs multiple methods for removing CO2 from the air to avert worst of climate change
- Written by David Goldberg, Lamont Research Professor, Columbia University
Reducing pollution will help stave off climate change but avoiding the worst effects means taking CO2 out of the atmosphere at large scale.AP Photo/J. David Ake
Concentrations of carbon dioxide in the atmosphere are higher than at any time in human history, and nine of the warmest years have occurred since 2005.
Even with the progress made in...

