ScienceAlert: Mitigating climate change will be the most daunting challenge of this century. Fortunately, years of effort and calls to action by environmental experts and other specialists are making an impact on popular attitudes. Less fortunately, most of us still grope in the dark trying to find a credible framework to structure an adequate response. Much faith has been placed in market-based solutions such as carbon-emissions trading. But while such measures may lead to curbing – even reducing …