Earth Day Climate Summit

Environmental campaigner Greta Thunberg assailed powerful politicians on Thursday for "ignoring" climate change, as she demanded an end to fossil fuel subsidies and implored the current generation of leaders to take the crisis more seriously.

Two days after a climate summit failed to deliver game-changing pledges to slash carbon emissions, the United Nations warned Wednesday that global warming is devastating oceans and Earth's frozen spaces in ways that directly threaten a large slice of humanity.

Environmental campaigner Greta Thunberg assailed powerful politicians on Thursday for "ignoring" climate change, as she demanded an end to fossil fuel subsidies and implored the current generation of leaders to take the crisis more seriously.

Two days after a climate summit failed to deliver game-changing pledges to slash carbon emissions, the United Nations warned Wednesday that global warming is devastating oceans and Earth's frozen spaces in ways that directly threaten a large slice of humanity.