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SYDNEY: Climate change could make much of the world too hot for human habitation within just three centuries, scientists said.
Scientists from Australia's University of New South Wales and Purdue University in the U.S. found that rising temperatures in some places could mean humans would be unable to adapt or survive.
"It would begin to occur with global-mean warming of about 7°C, calling the habitability of some regions into question," the researchers wrote in a paper published in Proceedings of the National Academy of Sciences.
Originally posted by OrphenFire
Seriously? Come on... Like someone on the linked news story commented: How can they accurately predict THREE HUNDRED years in the future, when they can barely predict the next 7 days of weather?
If this is the case, why don't the climatologists come out with a little blurb saying that a few degrees increase in the average temperature would save billions of dollars a year in energy(heating) costs and would also cut back tremendously on the amount of carbon dioxide put into the atmosphere?
Originally posted by Essan
Originally posted by OrphenFire
Seriously? Come on... Like someone on the linked news story commented: How can they accurately predict THREE HUNDRED years in the future, when they can barely predict the next 7 days of weather?
They are not predicting the weather!
Why they are saying is simply that if (for whatever reason) the earth warmed by x degrees then, because of the humidity levels associated with the higher temperatures in some parts of the world, modern humans would struggle to cope with the climate in those parts of the world - mainly around the tropics and desert regions.
What's wrong with that?
It's fact.
Whether or not the world will warm by that amount, for whatever reason,is a different matter. And many would argue that at present there is no serious reason to suppose it will.
And it's exactly no different to saying that if a large asteroid hits the earth, or if Yellowstone erupts, the resulting 'nuclear' winter will make many parts of the earth uninhabitable to humans. Is it?
Originally posted by Essan
Originally posted by OrphenFire
Seriously? Come on... Like someone on the linked news story commented: How can they accurately predict THREE HUNDRED years in the future, when they can barely predict the next 7 days of weather?
They are not predicting the weather!
Why they are saying is simply that if (for whatever reason) the earth warmed by x degrees then, because of the humidity levels associated with the higher temperatures in some parts of the world, modern humans would struggle to cope with the climate in those parts of the world - mainly around the tropics and desert regions.
What's wrong with that?
It's fact.
Whether or not the world will warm by that amount, for whatever reason,is a different matter. And many would argue that at present there is no serious reason to suppose it will.
And it's exactly no different to saying that if a large asteroid hits the earth, or if Yellowstone erupts, the resulting 'nuclear' winter will make many parts of the earth uninhabitable to humans. Is it?
Originally posted by Essan
Originally posted by OrphenFire
Seriously? Come on... Like someone on the linked news story commented: How can they accurately predict THREE HUNDRED years in the future, when they can barely predict the next 7 days of weather?
They are not predicting the weather!
Why they are saying is simply that if (for whatever reason) the earth warmed by x degrees then, because of the humidity levels associated with the higher temperatures in some parts of the world, modern humans would struggle to cope with the climate in those parts of the world - mainly around the tropics and desert regions.
What's wrong with that?
It's fact.
Whether or not the world will warm by that amount, for whatever reason,is a different matter. And many would argue that at present there is no serious reason to suppose it will.
And it's exactly no different to saying that if a large asteroid hits the earth, or if Yellowstone erupts, the resulting 'nuclear' winter will make many parts of the earth uninhabitable to humans. Is it?
Serious risk by 2030
"With 11-12°C warming, such regions would spread to encompass the majority of the human population as currently distributed."
Researcher Professor Steven Sherwood said there was no chance of the Earth heating up by 7°C this century, but there was a serious risk that the continued burning of fossil fuels could create the problem by 2300.
"There's something like a 50/50 chance of that over the long term," he said.
Originally posted by OrphenFire
He is saying there is only a 50/50 hit or miss chance that we are going to have uninhabitable regions on our planet in 300 years. And he is basing it on burning of fossil fuels, not natural heating cycles or even solar causes.