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I would definitely trade an inhospitable Death Valley for a habitable northern Canada. More of the earth's climates would shift for the better rather than for the worse if the earth warmed up.
Another example, which is more hospitable? Florida with super hurricanes caused by a warming earth or a northern Alaska without global warming. The answer is Florida.
Sit down and SERIOUSLY think about whether global warming is bad or not before you jump to the conclusion that we should prevent it.
I'll start buying into the global warming fairy tale when one of these "prophet of disaster" hippie types can explain to me how the Vikings were able to farm sheep and grow barley in Greenland 1000 years before the world-wide combustion of hydrocarbons created all this "greenhouse gas".
As for Al Gore... His personal wealth has multiplied 9 times since he started pimping his ridiculous doomsday scenario. He's not a scientist nor an ecologist - he's a money-grubbing politician making a killing off lies, fear and end of the world predictions.
I would definitely trade an inhospitable Death Valley for a habitable northern Canada. More of the earth's climates would shift for the better rather than for the worse if the earth warmed up.
Another example, which is more hospitable? Florida with super hurricanes caused by a warming earth or a northern Alaska without global warming. The answer is Florida.
Sit down and SERIOUSLY think about whether global warming is bad or not before you jump to the conclusion that we should prevent it.
Sure, only our local vegetation and ecosystems up here in Canada haven't evolved to live in higher temperatures and the change is too rapid for them to adapt. For example, warming climate has meant that the pine beetle has been able to move north where it wasn't able to live before and it's spread so far and so fast that it's devestated our forests here in British Columbia. Lumber towns are going bankrupt and local ecosystems are falling apart with all of the trees dead. Normally, this encroachment would be slower and the ecosystems would be able to adapt, with maybe predators moving into the area or hearty, resistant trees developing high in the mountains able to move down to fill the niche, and likely this will happen eventually, but in the short term the change has been so fast and so devastating that it's hard for us humans to deal with all at once. The local economy isn't based on agriculture, it's based on natural resources so this warming isn't improving people's lives at all.
Sure, only our local vegetation and ecosystems up here in Canada haven't evolved to live in higher temperatures and the change is too rapid for them to adapt. For example, warming climate has meant that the pine beetle has been able to move north where it wasn't able to live before and it's spread so far and so fast that it's devestated our forests here in British Columbia. Lumber towns are going bankrupt and local ecosystems are falling apart with all of the trees dead. Normally, this encroachment would be slower and the ecosystems would be able to adapt, with maybe predators moving into the area or hearty, resistant trees developing high in the mountains able to move down to fill the niche, and likely this will happen eventually, but in the short term the change has been so fast and so devastating that it's hard for us humans to deal with all at once. The local economy isn't based on agriculture, it's based on natural resources so this warming isn't improving people's lives at all.
So maybe in the short run, the global warming is bad for British Columbia, but what about the long run, say 300 years from now?
High school physics - there are only (3) kinds of heat transfer....conduction, convection and radiation. A true greenhouse works by accepting radiant energy in and preventing conductive and convective heat transfer back out. The Earth already is a true greenhouse; since space is a perfect vacuum, there can be no conduction or convection out. IF CO2 in the atmosphere could cause a measureable effect on radiation, it would interfere with radiant energy coming in as well as radiant energy going back out. The effects cancel each other out.
Let's start with the basics. The greenhouse effect blocks infrared radiant cooling of the earth. CO2 and other greenhouse gases reflect this energy, trapping it in the atmosphere.
Making everything white or light colored is not practical nor would it likely help all that much.
That said, white roofs are a great idea. Whether you choose white shingles, white metal or simply paint your existing roof, you can significantly lower the temperature of your house in the summer months and you will run the AC a lot less often. If this was common practice it probably would make a difference... not because the roofs themselves would collectively have a cooling effect on the atmosphere, but because we'd be pumping a lot less greenhouse gases into the air trying to cool our homes with electricity from coal-fired plants.
I'll start buying into the global warming fairy tale when one of these "prophet of disaster" hippie types can explain to me how the Vikings were able to farm sheep and grow barley in Greenland 1000 years before the world-wide combustion of hydrocarbons created all this "greenhouse gas".
They did it on a smale scale, which is doable NOW. No one farms in Greenland NOW because you can import grain and wool more economically. Beleive it or not, our ability to ship bulk products economically is greater in 2013 than it was in 1100.
The English also had a failed colony called Roanoke. It's establishment and subsequent failure had nothing to do with climate. Today Greenland has a population of about fifty thousand. That also doesn't have anything to do with climate.
Hate to say it, but the culture of civilization is such that there is scant chance of actually lowering the earth's temperature enough. I think disaster preparation is about the most we can hope for. All those houses in New Jersey that are kindling are a symbol of what is to come. People who rebuild on the coast are just victim wannabes. Personal fortunes are gonna be crushed in inconceivable amounts. Could it have been prevented. Maybe, but it would have taken action decades ago. Unfortunately, multinational businesses simply dominate the world too much. The western model for civilization has basically painted itself into a corner since the last world war. In fact, a young entrepreneur these days would be wise to start any sort of business for dealing with environmental disaster. Not enough of a startup genius myself to define all the possibilities, but all this destruction has guaranteed a growing need for disaster services.
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