Greta Thunberg April 22, 2021 7:05 pm Greta Thunberg Calls Out US Carbon Emissions Teen climate activist Greta Thunberg testified Thursday at a Congressional committee hearing on the environment and called out the U.S. for being “biggest emitter in history.” Local 3:02 Kevin Costner admits feeling ‘broken' amid divorce and investing millions in production of film ‘Horizon' 4:45 Seeking a sickle cell cure: 12-year-old in DC is 1st patient to get new gene therapy 1:16 Own an iPhone? You could be eligible for a payout as part of a $35 million settlement 1:54 WATCH: Animals snack on cicadas at Chicago zoo 4:59 ‘Collective failure': Families of Uvalde shooting victims file lawsuit over police response and alleged ‘cover up'