Stephen Hawking Quotes on Climate Change and Global Warming
A collection of Stephen Hawking Quotes and Videos about Climate Change and Global Warming.
“As scientists, we understand the dangers of nuclear weapons and their devastating effects, and we are learning how human activities and technologies are affecting climate systems in ways that may forever change life on Earth. As citizens of the world, we have a duty to alert the public to the unnecessary risks that we live with every day, and to the perils we foresee if governments and societies do not take action now to render nuclear weapons obsolete and to prevent further climate change… There’s a realization that we are changing our climate for the worse. That would have catastrophic effects. Although the threat is not as dire as that of nuclear weapons right now, in the long term we are looking at a serious threat.”
Stephen Hawking’s Quote from Press conference for the Bulletin of the Atomic Scientists, (1 January 2007)
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“The danger is that global warming may become self-sustaining, if it has not done so already. The melting of the Arctic and Antarctic ice caps reduces the fraction of solar energy reflected back into space, and so increases the temperature further. Climate change may kill off the Amazon and other rain forests, and so eliminate once one of the main ways in which carbon dioxide is removed from the atmosphere. The rise in sea temperature may trigger the release of large quantities of carbon dioxide, trapped as hydrides on the ocean floor. Both these phenomena would increase the greenhouse effect, and so global warming further. We have to reverse global warming urgently, if we still can. ”
Stephen Hawking’s Quote from ABC News interview (16 August 2006)
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Stephen Hawking – Earth could become like ‘sister planet’ Venus
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“very worried about global warming.” and Stephen Hawking’ said he was afraid that Earth “might end up like Venus, at 250 degrees centigrade and raining sulfuric acid.”
Stephen Hawking’s Quote from 2006 International Conference on String Theory in Beijing
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In response to Sen. James Inhofe: Could it be that man-made global warming is the greatest hoax ever perpetrated on the American people?
“…One of the most serious consequences of our actions is global warming brought about by rising levels of CO2 from the burning of fossil fuels. The danger is that the temperature increase may become self-sustaining, if it hasn’t done so already. Drought and deforestation are reducing the amount of carbon dioxide recycled into the atmosphere and the warming of the seas may trigger the release of large quantities of carbon dioxide trapped on the ocean floor. In addition the melting of the Arctic and Antarctic ice sheets will reduce the amount of solar energy reflected back into space and so increase the temperature further. We don’t know where global warming will stop but the worst case scenario is that the earth will become like its sister planet Venus, with a temperature of 250 degrees C and rain sulphuric acid. The human race could not survive in those conditions.”
Stephen Hawking’s Quote from the film “The 11th Hour” (2007)
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Stephen Hawking: How can the human race survive the next hundred years?
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One can see from space how the human race has changed the Earth. Nearly all of the available land has been cleared of forest and is now used for agriculture or urban development. The polar icecaps are shrinking and the desert areas are increasing. At night, the Earth is no longer dark, but large areas are lit up. All of this is evidence that human exploitation of the planet is reaching a critical limit. But human demands and expectations are ever-increasing. We cannot continue to pollute the atmosphere, poison the ocean and exhaust the land. There isn’t any more available.
Stephen Hawking’s Quote from the film “The 11th Hour” (2007)
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“I don’t think the human race will survive the next thousand years, unless we spread into space. There are too many accidents that can befall life on a single planet. But I’m an optimist. We will reach out to the stars.”
Stephen Hawking’s Quote Daily Telegraph (16 October 2001)
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The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
STEPHEN HAWKING, attributed, The Prism and the Rainbow
“The Theory of Everything” is now available on DVD and streaming via various sources online.
Currently playing in select theaters is a film that looks at the relationship between the famous physicist Stephen Hawking and his wife.
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