A new study in the journal of Atmospheric Chemistry and Physics takes a close look at a number of different large-scale engineering approaches to reverse climate change, such as iron fertilization to create carbon-sucking plankton blooms in the oceans or large sunshades in space. The scientists evaluate each of these approaches for their overall effectiveness in reversing the warming trend.
Wired Science has an excellent summary of these findings, including charts, graphs and informational graphics. The conclusion that the scientists arrived at is that only sunshades in space or reflective aerosols have the potential to cool the planet back to pre-industrial state.
