President Trump and conservatives went after Greta Thunberg following her climate speech. Thunberg on Monday gave an impassioned speech at the U.N. Climate Summit.

Greta Thunberg sparked a global movement when she began speaking out about the world's climate crisis at 15 years old. Here's ...

Greta Thunberg’s United Nations Climate Action Summit speech last week may end up as one of the defining moments of our era. Furious and eloquent, the 16-year-old articulated the boiling ...

Greta Thunberg vows that if U.N. doesn’t tackle climate change “we will never forgive you” Teen chastised leaders for praising young activists like herself while failing to deliver on ...

An icon in the shape of a lightning bolt. Impact Link Greta Thunberg's speech at the UN Climate Action Summit was pretty hardcore, and a video that went viral over the weekend has since given it a ...

At the United Nations, 16-year-old environmental activist Greta Thunberg tore apart politicians for not stopping climate change and focusing on economic growth.

Grim-faced, youth activist Greta Thunberg on Monday delivered harsh words to the world's leaders at the start of the UN Climate Action Summit.

Greta Thunberg was headed to the Gaza Strip to deliver humanitarian aid when her ship was stopped by Israeli forces.

Sixteen-year-old Swedish climate activist Greta Thunberg gave a passionate speech addressing world leaders at the opening of the UN Climate Change Summit in New York on September 23.

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 ...

Greta Thunberg has spoken for the first time since being deported by Israel after the boat she was using to deliver aid to Palestinians was captured by Israeli forces.

Prominent environmental activist Greta Thunberg has already begun to influence Hollywood projects. Thunberg's advocacy for ...