United States Special Presidential Envoy for Climate John Kerry, left, European Commission President Ursula von der Leyen, center, and European Commissioner for European Green Deal Frans Timmermans. AP
United States Special Presidential Envoy for Climate John Kerry, left, European Commission President Ursula von der Leyen, center, and European Commissioner for European Green Deal Frans Timmermans. AShow more

John Kerry: Glasgow green summit is best chance to tackle climate change before it's too late