Image Credit: Flickr/Ken and Nyetta During the last Ice Age, Australia, Tasmania and New Guinea formed a single landmass, called Sahul. It was a strange and often hostile place populated by a bizarre cast of giant animals. There were 500-pound kangaroos, marsupial tapirs the size of horses and wombat-like creatures the size of hippos. There

Researchers report that warming from short-lived compounds — greenhouse gases such as methane, chlorofluorocarbons, or hydrofluorocarbons, that linger in the atmosphere for just a year to a few decades — can cause sea levels to rise for hundreds of years after the pollutants have been cleared from the atmosphere.Image Credit: Flickr/Wayne Butterworth. Through warming effects,

Iceberg in the Weddell Sea. Credit: Mike Weber An international team of researchers has found that the Antarctic Ice Sheet plays a major role in regional and global climate variability – a discovery that may also help explain why sea ice in the Southern Hemisphere has been increasing despite the warming of the rest of

Local extinctions are almost twice as common in tropical species than temperate species.Image Credit: Flickr/Mariya Chorna Extinctions related to climate change have already happened in hundreds of plant and animal species around the world. New research, publishing on December 8th in the open-access journal PLOS Biology, shows that local extinctions have already occurred in 47%

Global temperatures showing the change from pre-industrial times. The global temperatures for January to September 2016 were approximately 1.2°C above pre-industrial levels and 0.88°C (1.58°F) above the average for the 1961-1990 reference period.Credit: NOAA; NASA/ UK Met Office; CRU It is very likely that 2016 will be the hottest year on record, with global temperatures

Global five-year average temperature anomalies (relative to 1961–1990) for 2011– 2015.Credit: The analysis uses HadCRUT4 analysis produced by the Met Office Hadley Centre in collaboration with the Climatic Research Unit at the University of East Anglia, United Kingdom. The World Meteorological Organization has published a detailed analysis of the global climate 2011-2015 — the hottest

Compare the extension of older sea ice in the Arctic in September 1984 and September 2016. The older ice is thicker and more resistant to melt than new ice, so it protects the sea ice cap during warm summers. In September 1984, there were 1.86 million square kilometers of old ice (5 years or older)

Credit: © arttmiss / Flickr Ocean warming is affecting humans in direct ways and the impacts are already being felt, including effects on fish stocks and crop yields, more extreme weather events and increased risk from water-borne diseases, according to what has been called the most comprehensive review available on the issue, launched today by

The image above, taken during a high-priority flight that IceBridge carried on Aug. 29, shows Helheim Glacier, with its characteristic wishbone-shaped channels, as seen from about 20,000 feet in the sky. Helheim is one of Greenland’s largest and fastest-melting glaciers.Credit: NASA Operation IceBridge, NASA’s airborne survey of polar ice, is flying in Greenland for the

Researchers have developed models that show that increases in temperature associated with global warming will not only make inland locations more salty, but would also create drastically different pattern of pore water salinity that will have implications for animals and plants in the intertidal zone.Credit: © chrismorell / Flickr Batches of sand from a beach

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