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 have the will?' At least one city does, and I'm proud to live in it. — 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 75 percent of its energy from solar resources. — 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
