A new discovery about how clouds form may scale back some of the more dire predictions about temperature increases caused by man-made global warming.
Deliberately flooding riverbeds left parched by dams has great potential to restore wetlands but may also have a significant unintended consequence: the release of greenhouse gases.
This month, NASA begins an airborne experiment to improve scientists' understanding of the sources of two powerful greenhouse gases and how they cycle into and out of the atmosphere.
It was Day Nine after Katrina struck in 2005 when Sarah Mack's bosses at the Sewerage and Water Board of New Orleans called her back to work.
Imagine creating artificial plants that make gasoline and natural gas using only sunlight. And imagine using those fuels to heat our homes or run our cars without adding any greenhouse gases to the atmosphere. By combining ...
Two of the world's most vulnerable low-lying island nations, Kiribati and Tuvalu, have said failure at upcoming climate talks in Paris is not an option as rising sea levels threaten their very existence.
Ethiopia on Wednesday became the latest country to present a plan to reduce its greenhouse gas emissions for a global climate pact that's supposed to be adopted in Paris later this year.
Scientists have discovered that a tiny, yet plentiful, ocean organism is playing an important role in the regulation of the Earth's climate.
Negotiators from 195 nations tasked with crafting a universal climate pact are driven by twin fears tugging in opposite directions, which may result in a hollow deal, say analysts.
A pivotal question has split world powers along unfamiliar lines as they haggle over how to avert catastrophic global warming: Should they set a goal of entirely eliminating carbon-belching industries?