Voting reps from nearly 200 nations at Dubai event ending Dec. 13 agreed to “transition away” from fossil fuels—boosting renewables, nuclear energy and climate investment—but did not mandate specific actions to cut back traditional energy use.

Host UAE, now completing its first nuclear plant at 5.6 GW, is one of 22 countries that agreed to triple capacity by 2050—but construction cost, supply chain and permit realities are hurdles, sector experts say.

Final rule will prevent an estimated 58 million tons of methane emissions between 2024 and 2038, U.S. Environmental Protection Agency says at COP28 event.