The U.N.'s climate chief called on leaders of the world's biggest economies on Saturday to send a signal of support for ...

Terming bolder climate action as “self-preservation for every G20 economy,” UN climate chief Simon Stiell on Saturday urged the grouping's leaders headed to Rio de Janeiro to carry out rapid cuts in ...

With President-elect Donald Trump set to assume office soon, former US secretary of state John Kerry suggested on Saturday that he may issue “a series of executive orders” on day one itself and said ...

The plea, made in a letter to G20 leaders from UN Framework Convention on Climate Change executive secretary Simon Stiell, ...