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Top 20 Denis Hayes Quotes (2025 Update)

Denis Hayes Quote: “I feel more confident than ever that the power to save the planet rests with the individual consumer.”

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

— Denis Hayes

Denis Hayes Quote: “Zeroes are important. A million seconds ago was last week. A billion seconds ago, Richard Nixon resigned the presidency. A trillion seconds ago was 30,000 BC, and early humans were using stone tools.”

2. “Zeroes are important. A million seconds ago was last week. A billion seconds ago, Richard Nixon resigned the presidency. A trillion seconds ago was 30,000 BC, and early humans were using stone tools.”

— Denis Hayes

Denis Hayes Quote: “Listen up, you couch potatoes: each recycled beer can saves enough electricity to run a television for three hours.”

3. “Listen up, you couch potatoes: each recycled beer can saves enough electricity to run a television for three hours.”

— Denis Hayes

Denis Hayes Quote: “When civilization stands at the edge of a cliff, a step forward doesn’t make much sense.”

4. “When civilization stands at the edge of a cliff, a step forward doesn’t make much sense.”

— Denis Hayes

Denis Hayes Quote: “Earth Day gathered up those strands, and dozens more, and knitted them together in the public consciousness as “environmental” issues. The nation was pretty startled when 20 million people hit the streets. Congress, which had adjourned for the day to go back to its districts, was blown away.”

5. “Earth Day gathered up those strands, and dozens more, and knitted them together in the public consciousness as “environmental” issues. The nation was pretty startled when 20 million people hit the streets. Congress, which had adjourned for the day to go back to its districts, was blown away.”

— Denis Hayes

Denis Hayes Quote: “The sunshine that strikes American roads each year contains more energy than all the fossil fuels used by the entire world.”

6. “The sunshine that strikes American roads each year contains more energy than all the fossil fuels used by the entire world.”

— Denis Hayes

Denis Hayes Quote: “An acre of windy prairie could produce between $4,000 and 10,000 worth of electricity per year – which is far more than the value of the land’s crop of corn or wheat.”

7. “An acre of windy prairie could produce between $4,000 and 10,000 worth of electricity per year – which is far more than the value of the land’s crop of corn or wheat.”

— Denis Hayes

Denis Hayes Quote: “It is already too late to avoid mass starvation.”

8. “It is already too late to avoid mass starvation.”

— Denis Hayes

Denis Hayes Quote: “As a student of conservation biology, I believe that characteristics with survival value will ultimately prevail. There is no survival value in pessimism. If you think failure is inevitable, that view will probably become self-fulfilling.”

9. “As a student of conservation biology, I believe that characteristics with survival value will ultimately prevail. There is no survival value in pessimism. If you think failure is inevitable, that view will probably become self-fulfilling.”

— Denis Hayes

Denis Hayes Quote: “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 threat to the global environment, it is legitimate to ask what else we don’t know.”

10. “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 threat to the global environment, it is legitimate to ask what else we don’t know.”

— Denis Hayes

Denis Hayes Quote: “Under communism, prices were not allowed to reflect economic reality. Under capitalism, prices don’t reflect ecological reality. In the long run, the capitalist flaw – if uncorrected – may prove to be the more catastrophic.”

11. “Under communism, prices were not allowed to reflect economic reality. Under capitalism, prices don’t reflect ecological reality. In the long run, the capitalist flaw – if uncorrected – may prove to be the more catastrophic.”

— Denis Hayes

Denis Hayes Quote: “We got everyone’s attention, but we didn’t solve any environmental problems.”

12. “We got everyone’s attention, but we didn’t solve any environmental problems.”

— Denis Hayes

Denis Hayes Quote: “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.”

13. “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

Denis Hayes Quote: “When we held the first Earth Day, everyone said it was a success because of the huge turnout. It was probably the largest planned event across the country.”

14. “When we held the first Earth Day, everyone said it was a success because of the huge turnout. It was probably the largest planned event across the country.”

— Denis Hayes

Denis Hayes Quote: “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.”

15. “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

Denis Hayes Quote: “There really wasn’t an environmental movement 30 years ago. The Sierra Club national office in 1969 consisted of one full-time volunteer.”

16. “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

Denis Hayes Quote: “Build high-speed, electrified trains over the most-traveled corridors. It’sreally hard to power carbon-free airplanes, but electrified trains are much easier. We’ll be a half century behind the Japanese, but better late than never.”

17. “Build high-speed, electrified trains over the most-traveled corridors. It’sreally hard to power carbon-free airplanes, but electrified trains are much easier. We’ll be a half century behind the Japanese, but better late than never.”

— Denis Hayes

Denis Hayes Quote: “I suppose I’d characterize myself as having a faith-based optimism. My faith is parental and Darwinian.”

18. “I suppose I’d characterize myself as having a faith-based optimism. My faith is parental and Darwinian.”

— Denis Hayes

Denis Hayes Quote: “There are a few obvious consequences and perhaps one subtle possibility. One obvious thing is that, to stimulate the economy, President Obama has committed to creating millions of green jobs that will leave a legacy – much as Roosevelt’s public works did during the new deal.”

19. “There are a few obvious consequences and perhaps one subtle possibility. One obvious thing is that, to stimulate the economy, President Obama has committed to creating millions of green jobs that will leave a legacy – much as Roosevelt’s public works did during the new deal.”

— Denis Hayes

Denis Hayes Quote: “I would love to see a fundamental re-thinking of whether we truly want to be the world’s largest debtor nation, feeding an insatiable desire for mall-crawling with cheaply made crap from all over the world.”

20. “I would love to see a fundamental re-thinking of whether we truly want to be the world’s largest debtor nation, feeding an insatiable desire for mall-crawling with cheaply made crap from all over the world.”

— Denis Hayes

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