As a student of conservation biology, I believe that characteristics with survival value will ultimately prevail. There is no survival value in… — 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
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 Image
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 Image
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 Image
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 Image
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 Image
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 Image
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 Image
I suppose I'd characterize myself as having a faith-based optimism. My faith is parental and Darwinian. — 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 buyer had… — Denis Hayes Copy Share Image
We got everyone's attention, but we didn't solve any environmental problems. — 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 been 30… — Denis Hayes Copy Share Image
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 Image
