After an unusually cold summer in the northernmost latitudes, Arctic sea ice appears to have reached its annual minimum summer extent for 2013 on Sept. 13, the NASA-supported National Snow and Ice Data Center (NSIDC) at the University of Colorado in Boulder has reported… Source
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One-third of plant and animal species could be gone in 50 years, study says
A new study by University of Arizona researchers presents detailed estimates of global extinction from climate …