Humans Won't Survive on Half of Earth by 2300
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From: Sam Wormley on 15 May 2010 20:54 On 5/15/10 6:59 PM, Catoni wrote: > By then we will have discovered power sources for > interstellar space travel, or ways to travel many light years > instantaneously, and we will be able to migrate to other worlds. No-- It is interesting what we have learned about time and space and spacetime in the last hundred years. Regarding space travel-- http://edu-observatory.org/eo/images/InterstellarTravel.jpg
From: Sam Wormley on 15 May 2010 23:00 On 5/15/10 1:57 PM, troll wrote: > I have seen a lot of estimates of the world's climate > during the past ice age and there were a lot of > deserts between the quasi tropical areas and the > small temperate belt that existed until one went > northward enough to enter the zone covered with > glaciers. > > I think a warmer Earth will be a better Earth. > More water will evaporate from the Earth's oceans > and so there will be more rain in the tropics and > the temperate areas. You might be surprised.
From: Giga2 on 16 May 2010 04:47 On 16 May, 00:59, Catoni <caton...(a)sympatico.ca> wrote: > On May 14, 2:38 pm, Sam Wormley <sworml...(a)gmail.com> wrote: > > > > > CLEANTECHNICA: Humans Won't Survive on Half of Earth by 2300 > > Average global temperatures, that have been rising for a century > > already, due to anthropogenic climate change, won't suddenly stop rising > > in 2100, say Australian and US scientists in a study just published in > > the Proceedings of the National Academy of Sciences > > >http://www.scientificamerican.com/article.cfm?id=humans-wont-survive-.... > > > Average global temperatures, that have been rising for a century > > already, due to anthropogenic climate change, wont suddenly stop rising > > in 2100, say Australian and US scientists in a study just published in > > the Proceedings of the National Academy of Sciences. Up to half of the > > planet would become uninhabitable by the 2300s with an average global > > temperature rise of 21.6 degrees Fahrenheit. > > > This would make much larger regions into uninhabitable deserts than now.. > > Humans would not be able to adapt or survive in such conditions. > > > If this happens, our current worries about sea level rise, occasional > > heat waves and bushfires, biodiversity loss and agricultural > > difficulties will pale into insignificance beside a major threat as > > much as half the currently inhabited globe may simply become too hot for > > people to live there, said Professor Tony McMichael, one of the authors. > > No problem ! By then we will have discovered power sources for > interstellar space travel, or ways to travel many light years > instantaneously, and we will be able to migrate to other worlds. There is a lot more reasons to believe your multi-century prediction than this GW one.
From: Androcles on 16 May 2010 21:44
"Dirk Bruere at NeoPax" <dirk.bruere(a)gmail.com> wrote in message news:85bkm6Fkh9U2(a)mid.individual.net... > Noooo! - Dec-21-2012 is when it all begins. The first supercomputer with > Human brain level processing power. > > Dirk > What, you mean computers are going to be downgraded? |