Associated Press: Hundreds of corporations, insurance companies and pension funds are calling on world leaders gathering for a U.N. summit on climate change this week to attack the problem by making it more costly for businesses and ordinary people to pollute.
The idea, long advocated by policymakers, economists and environmental activists, is that the world can't hope to slow the heating of the planet until its cost is incorporated into the everyday activities that contribute to it, such as using gas- or coal-generated...