Brazil’s president has opened the second day of a meeting of the world’s 20 major economies by calling for more action to slow global warming, saying developed nations must speed up their initiatives ...

They announced the Global Initiative for Information Integrity on Climate Change during the G20 Leaders’ Summit taking place ...

Just as a simple lever can move heavy objects, rich nations are hoping another kind of leverage — the financial sort — can help them come up with the money that poorer nations need to cope with ...