Most people are pretty self absorbed-- interested in themselves--and perhaps their immediate family and a few friends. Information concerning global trends doesn't resonate. It's not so much the technical aspects as the fact that people don't pay much attention to information that is not local and specific and readily visible. There's a tendency for humans to depend on innate perception of what could possibly affect their immediate environment. Of course that innate sense has been wrong, dead wrong, countless times over the millennia--but that fact offers no solace for the future of Climate Change mitigation.
Soooo, as far as technical information goes---it probably doesn't matter that much. I find each new data point intriguing, but I'm a scientist. It will be a long wait till some particular study galvanizes massive public action to reduce CO2 emissions in an attempt to save the Earth as a quality human habitat.
Consider folks who fly on commercial airlines (which account for a HUGE amount of CO2 emissions, by the way). Most do NOT even vaguely understand aeronautical engineering, navigation systems or cockpit flight controls. They still board the planes and fly at 20,000+ feet of elevation at amazing speeds, through storms and think nothing of it. Why? Because some entity WANTS them to fly---and spend money for the experience. There's profit in flight--perhaps not what there used to be, but there's still profit. People don't understand the technology of automobiles, but they buy and drive them by the millions. Fortunately, with automobiles, there is labeling--mpg figures have made a difference--at least to some Buyers. There's a lesson there, but few are learning from it.
Generally, less CO2 emission means less profit. Of course there's the Earth to consider and future generations of humans and other living creatures, but our track record as a species isn't that great at preservation and enhancement. Humans are more highly skilled at discovery and exploitation. Rain forests, ivory, buffalo herds, gold, coal, oil, etc etc all displaced and destroyed or decimated. How do we perform against that pattern with Climate Change? Is there a tipping point in terms of behavioral change among individuals? Can that change occur quickly and create small, but significant reductions in CO2 emissions holding the potential to avert non-linear, catastrophic climate events?
I believe it can and that is has in various communities around the world--none in the US.
I read an important book recently (below) that focuses on those communities and suggests that similar efforts could occur nearly anywhere, given some carefully planned programs that address human perceptions and Climate Change in a realistic way. The book has a huge amount of material, from which I plan to pull some particularly interesting ideas that might produce easy, pleasant changes in human behavior.
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