CLIMATE CHANGE

In its first Adaptation Gap Report, the U.N. says adaptation costs are likely to increase substantially, even with emission cuts.

The shocking rate of melt was quantified by scientists from the University of California and NASA, who gathered data from 1992 to 2013.

Developed nations have so far contributed $10 billion to the Green Climate Fund, far below the $100 billion a year target.

If current trends continue, 2014 could be even hotter than previous record years, the World Meteorological Agency warned.

By 2050, emissions may raise average temperatures in France above 100 degrees Fahrenheit and cause regular 6-foot-high flooding in Vietnam.

Negotiations will begin amid record-breaking global temperatures observed by the US National Oceanic and Atmospheric Administration.

Global warming increases the risk of world instability, a climate report prepared for the World Bank warns.

The "deep decarbonization" analysis is a road map for reaching U.S. climate change goals.

But most Americans say people in developing countries will be worse off than they will because of climate change.

China hopes to meet its pollution cap targets by sending big polluters overseas.

Global warming is a key factor in this week's "Arctic blast" cold snap that has chilled the entire U.S. and dropped feet of snow on upstate New York.

Both countries will contribute to a fund that helps developing nations cut carbon emissions.

The president's Green Climate Fund pledge could spark private investment in clean technologies and climate resiliency.

The U.S. will commit $3 billion to climate change efforts in poor countries, President Obama will announce Friday.

The U.S. set a new target of reducing emissions by 26 percent to 28 percent by 2025, while China did not provided a specific target.

Regulations to curb power plant and tailpipe pollution, methane and refrigerants could help slash U.S. emissions.

New robotic “dolphin” technology has changed the way scientists collect data in isolated polar regions.

Right now, China produces the most carbon dioxide of any country in the world, having surpassed the U.S. in 2007.

The world’s two largest polluters have struck a deal to significantly reduce greenhouse gas outputs, but uncertainties remain.

President Obama and Chinese leader Xi Jinping agreed to curb greenhouse gas emissions in a first-of-its-kind deal Wednesday. Will it be enough?

Under the terms of the ambitious pact, Xi Jinping agreed to cap emissions for the first time while Obama pledged deeper cuts for the U.S.