Reuters: A climate change deal to be agreed in Paris in December will not be able to come up with a global carbon price, the United Nations' climate chief, Christiana Figueres, said on Tuesday.
Big multinational companies and investors, and most recently oil majors, have called for a global carbon price to help spur investments in low-carbon energy.
A global carbon price would help to create an incentive for operators of power plants and factories to switch to cleaner fuels such as gas or to buy more...