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Global Warming May Not Lead to Increasingly Stormy Atmosphere

A study led by atmospheric physicists at the University of Toronto finds that global warming will not lead to an overall increasingly stormy atmosphere, a topic debated by scientists for decades. Instead, strong storms will become stronger while weak storms become weaker, and the cumulative result of the number of storms will remain unchanged.

30 Jan 2015

Frequency of Heat Waves Growing Faster in Urban Areas

The frequency of heat waves has increased dramatically over the past 40 years, and the trend appears to be growing faster in urban areas than in less-populated areas around the world, a new study suggests.

30 Jan 2015

Arctic Warming Promotes Interchange of Fishes Between Oceans

For millions of years, large parts of the marine biotas of the North Atlantic and North Pacific have been separated by harsh climate conditions in the Arctic.

29 Jan 2015

Climate Change Part of the Reason for Abandoning Pre-Columbian Mesoamerica City

Scientists have reconstructed the past climate for the region around Cantona, a large fortified city in highland Mexico, and found the population drastically declined in the past, at least in part because of climate change.

28 Jan 2015

CSIRO and Bureau of Meteorology Release Climate Change Projections for Australia

The projections are the most comprehensive ever released for Australia and have been prepared with an emphasis on informing impact assessment and planning in the natural resource management sector. Information has been drawn from simulations based on up to 40 global climate models.

27 Jan 2015

Most Climate Models May Likely Underestimate Degree of Variability

A new Duke University-led study finds that most climate models likely underestimate the degree of decade-to-decade variability occurring in mean surface temperatures as Earth’s atmosphere warms. The models also provide inconsistent explanations of why this variability occurs in the first place.

27 Jan 2015

New Next-Generation Sequencing Tool for Studying Responses of Species to Climate Change

Environmental scientists have a new tool for studying the responses of species to climate change. Next-generation sequencing (NGS) has made it possible to analyze enormous numbers of short pieces of DNA very quickly, and this technology is already revolutionizing the biomedical sciences. The hope is that NGS may prove similarly useful in ecological studies by providing researchers fresh insight into the way populations are adapting to a changing world.

23 Jan 2015