Updated: Removing country-specific comments.
How many world citizens care about climate change? The TckTckTck social action web site has registered approximately 2.2 million people who have signed its "petition" calling for a "fair, ambitious and binding" agreement out of the climate talks set for Copenhagen in December.
There are close to 6.8 BILLION people on the planet, so they've got a ways to go. But businesses might want to keep an eye on the numbers when considering their own climate change stance. If the numbers start climbing quickly, it might affect whether or not they take action on sustainability strategy in the absence of meaningful government regulations.