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The carbon dioxide concentration in the atmosphere is measured. It's uncontroversial. It's going up. We know that has a tendency to warm the atmosphere and we should be worried about that.

Martin Rees

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Martin Rees
Age: 82
Born: 1942
Born: June 23
Astronomer
Astrophysicist
Cosmologist
Physicist
Politician
University Teacher
Jórvík
Baron Rees of Ludlow
Martin John Rees
Baron Rees of Ludlow
OM
FRS
FREng
FMedSci
Lord Martin Rees
Professor Martin John Rees
Baron Rees of Ludlow
Warm
Dioxide
Going
Measured
Carbon
Tendency
Concentration
Tendencies
Atmosphere
Worried

More quotes by Martin Rees

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Devastation could arise insidiously, rather than suddenly, through unsustainable pressure on energy supplies, food, water and other natural resources. Indeed, these pressures are the prime 'threats without enemies' that confront us.
Martin Rees
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In future, children won't perceive the stars as mere twinkling points of light: they'll learn that each is a 'Sun', orbited by planets fully as interesting as those in our Solar system.
Martin Rees
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I think all countries need to aim to cut the CO2 emissions per person, taking account of externalities like imports and exports.
Martin Rees
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Indeed, our everyday world presents intellectual challenges just as daunting as those of the cosmos and the quantum, and that is where 99 per cent of scientists focus their efforts. Even the smallest insect, with its intricate structure, is far more complex than either an atom or a star.
Martin Rees
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In the beginning there were only probabilities. The universe could only come into existence if someone observed it. It does not matter that the observers turned up several billion years later. The universe exists because we are aware of it.
Martin Rees
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The universe is still a place of mystery and wonder.
Martin Rees
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I'm not myself religious but have no wish to insult or denigrate those who are.
Martin Rees
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The important point there is that when people talk about a mean temperature rise of say two, three or four degrees that's a sort of global average which really is a signature of large scale change in climatic patterns.
Martin Rees
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In the case of climate change, the threat is long-term and diffuse and requires broad international action for the benefit of people decades in the future. And in politics, the urgent always trumps the important, and that is what makes it a very difficult and challenging issue.
Martin Rees
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There may be organic life out there, or maybe machines created by long-dead civilizations, but any signals, even if they are difficult to decode, would tell us that the concepts of logic and physics are not limited to the hardware in human skulls, and will transform our view of the universe.
Martin Rees
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One of the computer models for a four degree temperature rise would give rise to a 10 degree temperature rise in Africa. And bear in mind also that in the depth of an ice age the mean temperature drop compared to the present was five degrees.
Martin Rees
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If we ever establish contact with intelligent aliens living on a planet around a distant star ... They would be made of similar atoms to us. They could trace their origins back to the big bang 13.7 billion years ago, and they would share with us the universe's future. However, the surest common culture would be mathematics.
Martin Rees
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I would support peaceful co-existence between religion and science because they concern different domains. Anyone who takes theology seriously knows that it's not a matter of using it to explain things that scientists are mystified by.
Martin Rees
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I suspect there could be life and intelligence out there in forms that we can't conceive. And there could, of course, be forms of intelligence beyond human capacity-beyond as much as we are beyond a chimpanzee.
Martin Rees
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Cosmology does, I think, affect the way that we perceive humanity's role in nature. One thing we've learnt from astronomy is that the future lying ahead is more prolonged than the past. Even our sun is less than halfway through its life.
Martin Rees
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Crucial to science education is hands-on involvement: showing, not just telling real experiments and field trips and not just virtual reality.
Martin Rees
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Scientists habitually moan that the public doesn't understand them. But they complain too much: public ignorance isn't peculiar to science. It's sad if some citizens can't tell a proton from a protein. But it's equally sad if they're ignorant of their nation's history, can't speak a second language, or can't find Venezuela or Syria on a map.
Martin Rees
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The extreme sophistication of modern technology - wonderful though its benefits are - is, ironically, an impediment to engaging young people with basics: with learning how things work.
Martin Rees
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Experiments that crash atoms together could start a chain reaction that erodes everything on Earth.
Martin Rees
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Campaigning against religion can be socially counter-productive. If teachers take the uncompromising line that God and Darwinism are irreconcilable, many young people raised in a faith-based culture will stick with their religion and be lost to science.
Martin Rees