Opec countries have been characteristically quiet in the climate debate in the run-up to the key COP21 climate talks in Paris in December. Saudi Arabia has been the one Opec country that has attempted to help shape the agenda.

State oil giant Aramco was one of 10 large international oil firms – alongside the likes of BP and Shell – to sign up to the Oil and Gas Climate Initiative (OGCI), a grouping that among other things aims to promote gas as part of the solution to global warming. (CONTINUED - 1139 WORDS)