Citing a U.N.-backed reportreleased last year, demonstrators are demanding governments implement measures to prevent global temperatures from rising more than 2.7 degrees, which scientists warn result in dire consequences for human life and the planet.
示威者援引去年联合国认同的一份报告，要求各国政府采取措施，防止全球气温上升超过 2.7 度，科学家们警告说，这将给人类生命和地球带来可怕的后果。