GLASGOW, Scotland — U.S. Rep. Alexandria Ocasio-Cortez brought her climate-celebrity star power to the U.N. climate talks, saying she hopes to see the United States reestablish itself as a world leader in the fight against global warming. Asked if she had a message to young activists who have pressed governments to cut climate-damaging fossil fuel pollution, Ocasio-Cortez told reporters inside the conference site: “Well, I would say, ‘Stay in the streets. Keep pushing.’” READ MORE: Young climate activists raising voices but fear going unheard at COP26 Ocasio-Cortez, a New York Democrat elected to Congress in 2018 on a platform of greatly ramping up U.S. efforts to cut emissions and otherwise deal with Earth’s warming, was accompanying a delegation led by House Speaker Nancy Pelosi. Members had their first morning at the Glasgow, Scotland talks on Tuesday. WATCH: Pelosi holds news conference at COP26 climate summit “One of the things we want to achieve is ensuring that the United States really reestablishes itself as a leader, and drives down our emissions,” Ocasio-Cortez told reporters. “And to encourage our partners to do the same.”