Arctic air temps highest since 1900, global report shows

The Arctic is heating up, with air temperatures the hottest in 115 years, and the melting ice destroying walrus habitat and forcing some fish northward, a global scientific report said Tuesday. Air temperature anomalies over land were 2.3 degrees Fahrenheit (1.3 degrees Celsius) above average, "the highest since records began in 1900," said the 2015 Arctic Report Card, an annual peer-reviewed study issued by the National Oceanic and Atmospheric Administration. "Warming is happening more than twi