BusinessGreen: The nonprofit group Climate Counts has taken a science-based approach to answering the question "how good is good enough" when it comes to corporate action on climate change. A new study, released this week, analysed the greenhouse gas emissions of 100 companies against science-based targets that seek to limit climate change to 2 degrees Celsius above the levels prevailing in the pre-industrial period. That's the threshold scientists (and most world leaders) have agreed we must not cross to avoid...