More than 170 major companies have pledged to become carbon neutral by 2050, with many counting on carbon offsets and carbon trading programs to help them reach that goal. But critics say offsets are not nearly enough to address the danger to the planet from continually rising greenhouse gas emissions.
Chip Knappenberger, a scientist with libertarian think tank the Cato Institute, describes how the former New Mexico and former Massachusetts chief executives would approach environment and energy issues if they governed America.
A deal signed by the US and China last month was not only the first major climate agreement that China has signed: It’s also setting an example as the world prepares to hash out a new climate deal in 2015, giving much-needed momentum to talks currently taking place in Peru.