In the shadow of Trump's reelection, this year's UN climate conference is all about money — and the sums are truly staggering.

A new report suggests a climate tax on the world’s biggest oil and gas companies could significantly benefit an undernourished UN fund meant to address the impact of climate disasters.

Emissions from burning fossil fuels are still rising, but the rapid growth of wind and solar power offers hope ...

The fear of nuclear war forced nations to come together to stop the spread of atomic weapons. Could a similar idea curb the ...