[b_sharp]

"Just read today that homo sapiens are the only species that do not need to evolve to survive in a changing environment, they can adapt their environment to the change. This is kind of scary. Homo sapiens are not doing much to change global warming."

Whether we are a major factor in climate change or not we need to evaluate the affects on other species and determine what costs to them and to us we are willing to accept.

Personally I feel we've reached a limit and need to rethink our methods but see no consensus to do so.

[phantomworker]

If other species are so successful at evolving so quickly to adapt to global warming, we (homo sapiens) are going to be soon left out in the cold, so to speak.

[metmom]

I don't really think there's much that can be done by humans to affect the climate. CO2 is only the third strongest greenhouse gas and what's mankinds contribution to the global total? And how much difference would a small percentage cut in CO2 emissions make. The two strongest greenhouse gase are: water vapor- first, and methane- second. There's not much that can be done about either of those.

There is also debate among meteorologists about what effect the increased temperature would have. It's possible that it could result in increased cloud cover, which would reflect back more of the incoming solar radiation, which would then mean cooling. There are way to many variables.

The problem is climate change takes place over long periods of time. The year to year variations cannot determine a pattern.

In a nutshell, no one knows what's going to happen. What if we get another Krakatoa type volcanic eruption? All the human efforts to steady the climate would be wasted.