Greta Thunberg helped ignite a global wave of climate protests that brought millions into the streets. From viral speeches to mass demonstrations, the pressure on governments has never been louder.

Exclusive: Prominent figures risk arrest with message of support for proscribed group before next week’s appeal hearing ...

Climate activist Greta Thunberg says she feels "energized" after spending three weeks crossing the Atlantic in a catamaran, arriving Tuesday in the Portuguese capital of Lisbon en route to the UN ...