States with tremendous oil and natural gas reserves have the most to gain economically from proper regulation.

If coal wants a place in a carbon-constrained future, they have to look at technology like this. And we think that our rule can help stimulate technology, growth, and innovation, bring those costs down, and allow coal a more stable opportunity to continue to be invested in.

Any first-generation technology will. But we are looking at carbon the same way we look at every pollutant under the Clean Air Act; we look for the new technologies that are available. We recognize that these power plants are going to be around for decades.

Transparency is all about letting in and embracing new ideas, new technology and new approaches. No individual, entity or agency, no matter how smart, how old, or how experienced, can afford to stop learning.

I think climate change is probably the most extreme, and it's been going on for years because it's very difficult to talk about a planetary issue like climate change and to get people who live within four-year electoral cycles to actually pay attention to something that you predict is happening way in the future.

When discussing overall impacts on employment, it is important not to overlook the new technologies and industries that can be driven by pollution control standards.

There is no threshold level of fine particle pollution below which health risk reductions are not achieved by reduced exposure.