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It is possible we have passed the point of no return. Everywhere we look, there appears to be a series of cascading events leading to the decimation of ecosystems across the planet.
as posted by Mayet
Recycling was not a word invented at the time and it is only after the damage has been done that people started thinking of reducing emssions, and recycling and replanting.
Perchance, could you or anyone else please explain the global warming that has been occurring on Mars? Does it have anything to do with Martians and greenhouse gases?
as posted by Hamburglar
I think what seekerof is trying to point out, is that prior to our ability to detect such occurrences, they could possibly have been happening—we just didn't know about it. And, to deny that, to use your type of example, is like arguing that because we couldn't see bacteria during the 14th century, the Black Death had to be caused by imbalances of the four humours.
originally posted by loam
The overwhelming evidence indicates that many of these changes began to occur around the beginning of the Industrial Age. While the planet's climate has changed many times in its history, our activities appear to be accelerating those changes.
There is far more science to support that position than there is that contradicts it.
Also, loam, you make a good point about the correlation between fossil fuels and "present day change," except I am not sure to what change you are referring. Are you talking about the change in the western winds? If so, how do we know they don't weaken every, say, 300 years?
Is this all being hyped or is there a very serious problem here?
So I really don't know who to beleive anymore..
And if it is true, that we're all gonna go through the rides of our lives, when do these major 'changes' accumulate to something we're all going to have to fear (super storms, or whatever the doomsday scenario is/was)?
I'd really like to know if this subject is something I should be investigating more seriously..
Originally posted by loam
...we should become smarter about it, and finally dispense with the petty arguments as to whether or not change is in fact occurring.
Originally posted by masqua
The relevant issues now are what to do about the re-location of coastal cities which are threatened by rising sea levels, how to better evacuate large populations in the paths of severe weather and how to manipulate farming practices geographically as drought takes over areas once the breadbaskets of the world.