'Race against time': Climate talks in last push over fate of fossil fuels

UN leaders urge end to obstruction at climate summit in Dubai as oil producers resist calls to wind down fossil fuels. The UN Secretary-General calls for maximum ambition and flexibility to reach an agreement. Pleas from low-lying island nations drive discussions on the first-ever call to exit oil, gas, and coal. Saudi Arabia leads opposition to phase-out of fossil fuels. The final draft agreement includes options to transition away from fossil fuels by 2030.