Archive for the 'Technology' Category


Thursday, May 24th, 2007

In this post, I want to focus a bit more on one particular aspect of the carbon and climate problem: Coal. While it’s true that dealing with coal will not, by itself, solve the carbon problem, it is equally true that not dealing with coal will severely limit the opportunities to effectively safeguard the climate.

What exactly is the problem with coal? Well, for starters, coal accounts for about 25% of today’s global energy demand. And because coal contains significantly more carbon per unit energy than either oil or natural gas, it accounts for nearly 40% of all carbon emissions to the atmosphere. In addition, coal is cheap, and both the U.S. and China have enormous domestic reserves, making it even more attractive when concerns over energy security take hold of the political debate. (more…)