Asbestos, EMFs, and CFCs have given us a degree of humility. When yesterday's "triumph of modern chemistry" turns out instead to be… — Denis Hayes Copy Share Image
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 Copy Share Image
By the year 2000, such renewable energy sources could provide 40 percent of the global energy budget; by 2025, humanity could obtain… — Denis Hayes Copy Share Image
We presently have the technology ... fuel cells, solar cells, hydrogen ... the opportunities are amazing for clean energy. — Denis Hayes Copy Share Image
We shouldn't fuel the future with the polluting methods of the past, ... We have the technology to power our future in… — Denis Hayes Copy Share Image
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 Copy Share Image
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 Copy Share Image
We've made some heroic efforts, but the Earth as a whole is in worse shape today than 30 years ago, ... There's… — Denis Hayes Copy Share Image
By 1975 - and continuing to today - all Americans came to believe that they had a "right" to a safe, clean,… — Denis Hayes Copy Share Image
We need a firm cap on carbon emissions from fossil fuels. No coal, oil, or gas could enter the economy until the… — Denis Hayes Copy Share Image
Politicians had always viewed environmental issues as narrow things of no great political consequence. Sort of NIMBY issues. A big part of… — Denis Hayes Copy Share Image
An aggressive building performance standard for all new buildings, and a set of performance requirements to be met by all buildings before… — Denis Hayes Copy Share Image
With time environmental issues got much more complicated. It is pretty easy, if you know what you are doing, to stop a… — Denis Hayes Copy Share Image
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 Copy Share Image
Our goal is to turn solar electric technologies into a commodity business like computer chips, and make them ubiquitous in the built… — Denis Hayes Copy Share Image
The sunshine that strikes American roads each year contains more energy than all the fossil fuels used by the entire world. — Denis Hayes Copy Share Image
America has the technology and resources to meet all its energy needs while safeguarding the earth's climate. The urgent question now is,… — Denis Hayes Copy Share Image
Whether you are buying a car or casting a ballot, choosing a job or planning a family, follow your moral compass. Don't let others… — Denis Hayes Copy Share
Environmentally, business in America in 1970 was very similar to business in China today. Even if a CEO wanted to be a responsible corporate… — Denis Hayes Copy Share
When we held the first Earth Day, everyone said it was a success because of the huge turnout. It was probably the largest planned… — Denis Hayes Copy Share
Asbestos, EMFs, and CFCs have given us a degree of humility. When yesterday's "triumph of modern chemistry" turns out instead to be today's deadly… — Denis Hayes Copy Share
Zeroes are important. A million seconds ago was last week. A billion seconds ago, Richard Nixon resigned the presidency. A trillion seconds ago was… — Denis Hayes Copy Share
Make Earth Day Every Day.” While we might not always live up to this ideal, I try to keep this quote from Denis Hayes,… — Denis Hayes Copy Share
America has the technology and resources to meet all its energy needs while safeguarding the earth's climate. The urgent question now is, 'Do we… — Denis Hayes Copy Share
I suppose I'd characterize myself as having a faith-based optimism. My faith is parental and Darwinian. — Denis Hayes Copy Share
We need a firm cap on carbon emissions from fossil fuels. No coal, oil, or gas could enter the economy until the buyer had… — Denis Hayes Copy Share
We got everyone's attention, but we didn't solve any environmental problems. — Denis Hayes Copy Share
We've made some heroic efforts, but the Earth as a whole is in worse shape today than 30 years ago, ... There's been 30… — Denis Hayes Copy Share
There are a few obvious consequences and perhaps one subtle possibility. One obvious thing is that, to stimulate the economy, President Obama has committed… — Denis Hayes Copy Share
Sustainability requires that we demand enduring quality. Steve Strong has a slide presentation pointing out that much of Oxford was built 800 years ago.… — Denis Hayes Copy Share
f the government is going to put money into the automobile sector, it should break up GM and Chrysler as a condition of financial… — Denis Hayes Copy Share
The sunshine that strikes American roads each year contains more energy than all the fossil fuels used by the entire world. — Denis Hayes Copy Share
