Denis Hayes

There was almost a universal acceptance of unhealthy conditions. Sulfur dioxide in smokestack emissions were the price, or smell, of prosperity,

— Denis Hayes

Earth Day gathered up those strands, and dozens more, and knitted them together in the public consciousness as "environmental" issues. The nation…

— Denis Hayes

Our goal is to turn solar electric technologies into a commodity business like computer chips, and make them ubiquitous in the built…

— Denis Hayes

When civilization stands at the edge of a cliff, a step forward doesn't make much sense.

— Denis Hayes

I would love to see a fundamental re-thinking of whether we truly want to be the world's largest debtor nation, feeding an…

— Denis Hayes

An aggressive building performance standard for all new buildings, and a set of performance requirements to be met by all buildings before…

— Denis Hayes

There really wasn't an environmental movement 30 years ago. The Sierra Club national office in 1969 consisted of one full-time volunteer.

— Denis Hayes

It is already too late to avoid mass starvation

— Denis Hayes

Obama wants to build such things as smart electrical grids and high-speed rail lines, which will offer big environmental improvements. Another obvious…

— Denis Hayes

Under communism, prices were not allowed to reflect economic reality. Under capitalism, prices don't reflect ecological reality. In the long run, the…

— Denis Hayes

That said, I'm embarrassed and furious that so many coal-state Democrats in the U.S. Senate are paralyzing international progress to protect the…

— Denis Hayes

By the year 2000, such renewable energy sources could provide 40 percent of the global energy budget; by 2025, humanity could obtain…

— Denis Hayes

An acre of windy prairie could produce between $4,000 and 10,000 worth of electricity per year - which is far more than…

— Denis Hayes

By 1975 - and continuing to today - all Americans came to believe that they had a "right" to a safe, clean,…

— Denis Hayes

Politicians had always viewed environmental issues as narrow things of no great political consequence. Sort of NIMBY issues. A big part of…

— Denis Hayes

I feel more confident than ever that the power to save the planet rests with the individual consumer.

— Denis Hayes