Iran fired air defense batteries early Friday morning after reports of explosions near the city of Isfahan, the state-run IRNA news agency reported. It remained unclear if the country was under attack. However, tensions remain high in the wider Middle East after Iran’s unprecedented missile-and-drone attack on Israel. One government official suggested sites may have been targeted by drones. The Israeli military did not immediately respond to a request for comment. IRNA said the defenses fi

PARIS -- Climate change caused by carbon dioxide emissions already in the atmosphere will shrink global gross domestic product in 2050 by about $38 trillion, or almost a fifth, no matter how aggressively humanity cuts carbon pollution, researchers said Wednesday. But slashing greenhouse gas emissions as quickly as possible remains crucial to avoid even more devastating economic impacts after midcentury, they reported in the journal Nature. Economic fallout from climate change, the study shows, c