Sea Ice Melts Late

For thirty-one years satellite photos have tracked when the polar sea ice begins to melt. This year, 2010, is the latest the melt has started, beating the former record in 1999. See this Bloomberg article in Business Week for more info. I conclude it will be difficult to attribute this cold winter data point to global warming.

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Our view is that weather changes, it always has. The world has had ice ages, and spells much warmer than now, long before humans had the ability to influence global weather.

Are we now influencing the weather? How can we know? We believe the appropriate policy response is to develop ways for mankind to cope with climate changes in either direction.