Agence France-Presse: The "shocking" record loss of Arctic sea ice was Canada’s top weather event in 2007, Canada’s environment ministry said Thursday. Each year for the past 12, Environment Canada has published a list of the top 10 climate or weather phenomena to impact Canada that year. For 2007, "the dramatic disappearance of Arctic sea ice — reported in September — was so shocking that it quickly became our number one weather story," the ministry said in a …