More than 50 world leaders took the stage at COP28 for the second day in a row
DUBAI — More than 110 nations pledged to triple the world's renewable energy within seven years at UN climate talks Saturday as the United States pushed to slash methane emissions and boost nuclear capacity.
With smoggy skies in Dubai highlighting the challenges facing the world, leaders at the COP28 conference threw their support behind voluntary pledges aimed at ramping up alternatives to fossil fuels.
