Urban workers could suffer most from climate change as the cost of food drives them into poverty, according to a new study that quantifies the effects of climate on the world's poor populations. (Purdue University press release)

A team of scientists has created the first global 3-D map of electrical conductivity in the Earth's mantle and their model suggests that that enhanced conductivity in certain areas of the mantle may signal the presence of water. (Oregon State University press release)

A professor in atmospheric chemistry explains how a powerful greenhouse gas helped keep young earth warm enough to be a cradle for life. (University of Copenhagen press release)

Massive burning of forests for agriculture thousands of years ago may have increased atmospheric carbon dioxide enough to alter global climate and usher in a warming trend that continues today, according to a new study. (University of Virginia press release)

Heavier rainstorms lie in our future. That's the clear conclusion of a new study on the impact that global climate change will have on precipitation patterns. (Massachusetts Institute of Technology press release)

The Pine Island Glacier in West Antarctica, which is around twice the size of Scotland, is losing ice four times as fast as it was a decade years ago. (University of Leeds press release)

The warming of an Arctic current over the last 30 years has triggered the release of methane, a potent greenhouse gas, from methane hydrate stored in the sediment beneath the seabed. (National Oceanography Centre, Southampton (UK) press release)

The discovery of an unknown hitherto chemical compound in the atmosphere may help to explain how and when clouds are formed, and this may prove to be central to climate prediction. (University of Copenhagen press release)

Scientists found that model quality does not affect the ability to identify human effects on atmospheric water vapor. (DOE/Lawrence Livermore National Laboratory press release)

Researchers have largely put to rest a long debate on the underlying mechanism that has caused periodic ice ages on Earth for the past 2.5 million years -- they are ultimately linked to slight shifts in solar radiation caused by predictable changes in Earth's rotation and axis. (Oregon State University press release)

A previously unrecognized player in the process by which gases produced by trees and other plants become aerosols – microscopically small particles in the atmosphere – has been discovered by a research team. (California Institute of Technology press release)

A period of global warming from 53 million to 47 million years ago strongly influenced plants and animals, spurring a biodiversity boom in western North America, researchers report. (University of Michigan press release)