NEW ZEALAND Largest glacier shrinking quickly WELLINGTON — New Zealand’s biggest glacier is melting at its fastest pace in recent history, Massey University glacier expert Martin Brook said Thursday. The Tasman Glacier on South Island was 18 miles long in 1990, with virtually no lake at its front edge. New… Continue reading

Scientists have been citing evidence of links between greenhouse forcing and the stratospheric ozone shield for some years. Here’s one more. Lance ======================== “The supercomputer modeling effort also indicated that ozone hole recovery would weaken the intense westerly winds that currently whip around Antarctica and block air masses from crossing… Continue reading

http://www.space.com/scienceastronomy/080424-am-jurassic-warming.html “During the Jurassic, abrupt global warming of between 9 and 18 Fahrenheit (5 and 10 degrees Celsius) was associated with severe environmental change. Many organisms went extinct and the global carbon cycle was thrown off balance. One of the most intriguing effects was that the oxygen content of the… Continue reading

Bears will see varied influence of changing distribution of trees. For example, although the implications may not be perfectly clear, polar bears will be shifting southward off the ice and onto the land at the same time that spruce will be shifting northward, plausibly shading the ground enough to select… Continue reading