There are more than 2,600 landfills across the U.S., and collectively, they leak more than 280 million tons of carbon dioxide into the air each year — the equivalent of 74 coal-fired plants. So why are government regulations on the facilities so lax?

A 26-member board is finally beginning work on the UN's new loss and damage fund. And the to-do list is long.

Thanks in large part to the booming oil and gas industry, U.S. oil and gas emissions expected to rise to a billion tons per year by 2025