New pledges by G7 leaders on climate change and biodiversity loss will boost efforts to strike a global pact to protect nature but an October deadline is likely to be missed without in-person talks, officials and observers say.
Previously overshadowed by the coronavirus pandemic and the country's racial reckoning, climate change has hurled to the front of the U.S. presidential race, as historic wildfires raged in the West and powerful storms battered the South.