http://en.wikipedia.org/wiki/Aftermath:_Population_Zero
I recently saw the Nat. Geo program "Aftermath: Population Zero," one of several hypothetical accounts of what the world would be like without people. Not less people, no people. These seem to have been inspired by the work of Alan Weisman, author of the book "The World Without Us." http://en.wikipedia.org/wiki/The_World_Without_Us In addition to describing what would happen to domesticated animals and pets left without humans to take care of them, the fate of infrastructure is also presented. This particular program (there is another one that has been turned into a series on the History Channel called, appropriately enough, "Life After People" http://en.wikipedia.org/wiki/Life_After_People ; http://en.wikipedia.org/wiki/Life_After_People:_The_Series [for those people still not depressed enough after watching the original documentary]) also explores changes in the Earth's climate without its number one interferent, us. After 150 years, winters are colder than during the last days of humans with greater snowfall, indicating declining GHG levels. It is stated that the oceans will remove 13.5Gt of CO2 per year. Is this correct? After 200 years, the excess CO2 from human emissions is completely eliminated by plants and trees. Don't tell David Archer. Perhaps the increase in plant growth will speed the removal. Or won't that matter? After 500 years, forests return to the state they had 10,000 years ago. I doubt that one, as that would have been at the tail end of the ice age. After 25,000 years, the interglacial is over, the ice sheets return and erase NYC along with most of the areas wiped out before. Which raises an interesting question for the geo haters. If it became apparent that the interglacial was ending, would you be in favor of artificial means of prolonging it to ensure the planet's habitability for billions of humans? If you say no, then I think I'm going to propose to Nat. Geo or History a new series, Life After YOU People! --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "geoengineering" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/geoengineering?hl=en -~----------~----~----~----~------~----~------~--~---
