By David Keith How to cool the planet? The energy infrastructure that powers our civilization must be rebuilt, replacing fossil fuels with carbon-free sources such as solar or nuclear. But even then, zeroing out emissions will not cool the planet. This is a direct consequence of the single most important fact about climate change:...

Geoengineering is “probably as dangerous to us as climate change itself,” Robert F. Kennedy Jr. stated on his podcast last year.

*David & Ed chat with Dr. Rose Mutiso (about the tension between energy, climate, and economic development in Africa and the global south.* They touch on many topics to do with sub-Saharan Africa, including energy production and consumption, electricity and power grids, and the vast economic inequ

At the time of this post, David Keith was a professor in Harvard's Schools of Engineering and of Public Policy, and founder at Carbon Engineering. Edward Parson is professor and co-director of the Emmett Institute on Climate Change and the Environment at UCLA, and senior research associate at the Centre for Global Studies,...

The impacts from climate change will continue to escalate in the years ahead, and a growing number of scientists, philanthropies and companies have become interested in strategies to lower global temperatures more quickly. One of the options is reflecting some sunlight back into space.   Because