Some 60 world leaders gather at UN for a "climate emergency" summit aimed at reinvigorating the faltering Paris agreement, at ...

Climate activist Greta Thunberg did not mince words while addressing a crowd at the United Nations this week, saying the world faces a “mass extinction.” “You have stolen my dreams and my childhood ...

Anti-Israel activists greet Thunberg as she arrived as part of a flotilla in September. “How dare you?” Remember that fiery 2019 United Nations speech, when a 16-year-old Greta Thunberg stared down ...

NEW YORK - US President Donald Trump stirred up fresh outrage on social media Monday with a tweet mocking an impassioned speech made by 16-year-old activist Greta Thunberg at the UN climate summit in ...

The 16-year-old Swede met privately with Trudeau but later told a news conference with local indigenous leaders that he was ...