These requirements reflect years of deliberation and represent the most effective path forward for guaranteeing major cuts in emissions while keeping electricity rates low.

The best way to address concerns about mercury emissions from U.S. power plants is to leave the existing regulations in place. Sending E.P.A. back to the drawing board would only delay regulation of power plant emissions, not accelerate them, as Senator Leahy and others claim.

The expansion is a major step forward in fulfilling these requirements, and the project has been planned carefully enough to accommodate future demands.

This is a deliberation that has to do with aesthetic values and it has to do with property values, ... The board must carefully monitor all proposed building projects, whether they are modular or traditional stick-built.

One of our concerns is that EPA appears to be rushing full steam ahead with a revised standard before we have a chance to evaluate the benefits from the current standards.

These programs require far greater pollution reductions than does the NSR program. The simple truth is that the air is only going to get cleaner.