What are some businesses trying to do in an effort to cut C02 emissions?
As countries are getting ready for COP21 Climate Summit in Paris in December, many oil and gas companies have agreed to work to cut emissions. CNN's Clare Sebastian reports.Editor's Note: On Fridays, CNN answers one of our audience's climate change questions as part of the Two Degrees series. Ask your question by filling out this online form. And sign up for the Two Degrees newsletter to learn more.