Since rich countries promised $650 million to the so-called loss-and-damage fund last year, new pledges have dried up.

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