By Deborah Zabarenko, Environment Correspondent WASHINGTON (Reuters) – Arctic sea ice has thinned dramatically since 2004, with the older, thicker ice giving way to a younger, thinner kind that melts in the northern summer, NASA scientists reported on Tuesday. Researchers have known for years that ice covering in the Arctic Sea has been shrinking […]
I interviewed by email Dr. Mark Serreze, recently named director of The National Snow and Ice Data Center. Partly I wanted him to explain his “death spiral” metaphor for Arctic ice (see NSIDC: Arctic melt passes the point of no return, “We hate to say we told you so, but we did”). … CP: […]
By David Ljunggren OTTAWA (Reuters) – The Arctic is warming up so quickly that the region’s sea ice cover in summer could vanish as early as 2013, decades earlier than some had predicted, a leading polar expert said on Thursday. Warwick Vincent, director of the Center for Northern Studies at Laval University in Quebec, […]
WARMER temperatures and earlier melting of sea ice are causing polar bears to go hungry. The number of undernourished bears has tripled in a 20-year period. Seth Cherry of the University of Alberta, Canada, and colleagues monitored the health of polar bears in the ice-covered Beaufort Sea region of the Arctic during April and May […]
