By reducing harmful emissions, a carbon tax fits that description.
Gasified coal can be burned with fewer harmful emissions than standard coal.
Dr. Stone said the findings reflected a need for tighter regulations on harmful emissions.
Local renewable energy production and storage can play a huge role in reducing harmful emissions.
New technologies make it possible to cut harmful emissions and provide even more growth.
What has President Bush done to address the global problems caused by harmful emissions?
"I would argue that ultimately the politics of regulating harmful emissions is pretty good," he said.
Reducing these harmful emissions must be a national priority, and it requires action at every level of government.
As for the promise that more ethanol would mean less harmful emissions, the data is decidedly mixed.
A government spokesperson said: "The government is firmly committed to improving the UK's air quality and cutting harmful emissions.
Operating beneath the river with no harmful emissions, Wedgewire screens are environmentally, aesthetically and economically superior to cooling towers.
