The United Nations COP26 summit that starts in Glasgow this week has been billed as a last chance. But the close of the G20 with little more than vague promises highlighted the lack of political urgency so far.<br /><br />Leaders of the Group of 20 major economies agreed on a final statement on Sunday that urged "meaningful and effective" action to limit global warming, but angering climate activists by offering few concrete commitments.<br /><br />The result of days of tough negotiation among diplomats leaves huge work to be done at the broader United Nations COP26 climate summit in Scotland, which starts this week.<br /><br />-Reuters -
