However, neither governments nor vested interests would have been
able to continue on the track leading toward a climate calamity had it not been
for the majority who, mostly aware of the risks, pay only lip service to the
issue. Ultimately it is the collective foresight or lack of such, by our
species which it will decide its future.
Some scientists despair. Guy McPherson (Professor Emeritus of Natural
Resources and Ecology & Evolutionary Biology) writes "It seems no matter
how dire the situation becomes, it only gets worse when I check the latest
reports" . Others accept Pablo Casals dictum "The situation is hopeless. We
must take the next step".
In themselves, efforts at reduction in atmospheric CO2-emission are
no longer sufficient to prevent further global warming. For this reason, along
with sharp reductions in carbon emissions, efforts need to be undertaken in an
attempt to reduce atmospheric CO2 levels from their current level of near-400
ppm to well below 350 ppm. A wide range of technologies have been proposed in
this regard . What is required is action on a global scale before it is too
 Rahmstorf et al. 2007. Recent Climate Observations Compared to
 James Hansen -- "Storms of my Grandchildren'
 "We are bracing for a one-in-a-hundred-year flood,"
Anna Bligh http://www.english.rfi.fr/node/69581
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