UNITED NATIONS -- Leader after leader told the United Nations on Monday that they will do more to prevent a warming world from reaching even more dangerous levels. But as they made their pledges at ...

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 New York.

MILAN, Italy — A speech given by activist Greta Thunberg is going viral in which she criticizes world leaders over their handling of the climate crisis. While speaking at the Youth4Climate summit in ...

Today, however, the Green New Deal seems to have fallen to earth, borne down by the inexorable gravity of economic and ...

Greta Thunberg doesn't mince words. Not even when addressing the world's most powerful people. "We are in the beginning of a mass extinction and all you can talk about is money and fairy tales of ...

Climate activist Greta Thunberg has compiled a handbook for tackling the world’s interconnected environmental crises, with contributions from leading scientists and writers. Publisher Penguin Random ...

They were dyeing for attention. Climate activist Greta Thunberg and dozens of members of the radical Extinction Rebellion group earned a temporary ban from Venice after pouring dye into its iconic ...

More than a dozen children sound the alarm on the state of our climate. One by one more than a dozen children addressed a room full of adults Monday morning, sounding the alarm on the state of climate ...

LONDON (AP) — Climate activist Greta Thunberg has compiled a handbook for tackling the world’s interconnected environmental crises, with contributions from leading scientists and writers. Penguin ...

Climate activist Greta Thunberg was temporarily banned from Venice after the Grand Canal was dyed green in an act of protest ...