Sublime

get carbon from coal,

David Keith, a professor of applied physics at Harvard, has been described as “perhaps the foremost proponent of geoengineering,” a characterization that he bristles at. “I’m a proponent of reality,” he wrote in a letter to the editor of The New York Times in 2015. Keith founded the university’s Solar Geoengineering Research Program in 2017, and he

There are various ways, including a carbon tax or cap-and-trade program, to ensure that at least some of these external costs are paid by whoever is responsible for them.

and coal- and natural-gas-fired plants equipped with devices that capture the carbon they produce.

One idea is to remove carbon dioxide from the air and extract the carbon, though that’s an expensive process.

Which mix of clean energy sources will be the most efficient in a given place? Where should transmission lines go?