cheaper renewable energy.On Saturday, exactly five years after the Paris climate agreement was struck, world leaders will gather virtually to both celebrate progress and chart the next steps.The summit, hosted by the France, the United Kingdom and the UN, is designed to press leaders to ramp up their ambitions for the coming years and make good on past commitments.More than 100 countries — and even more companies, states and cities — have pledged to achieve net zero carbon emissions by the middle of the century.
Most of those promises aren't yet official targets of the Paris pact, which is geared toward goals by 2030.The European Union, as a group the world's third largest emitter, Friday beefed up the continent's 2030 carbon cut targets.