a) It's OK to burn all the coal we can extract and sod the pollution -> build more coal power plants now to use for electric cars. Burn through the coal more quickly.
b) It's not OK to burn all the coal we can extract -> "200 years worth" is a meaningless statment as we have to stop using it, and the sooner the better.
The suggestion was that nuclear wasn't an option because it was as limited as coal. If so, that limit is 200 years, which suggests that the limit isn't all that important.
b) It's not OK to burn all the coal we can extract -> "200 years worth" is a meaningless statment as we have to stop using it, and the sooner the better.