If it’s Sunday, it must be time for Tick Tock the Climate Clock . Here are a few nuggets of recent climate news. Time to Hang Up Your Skates . The Elfstedentocht (11 cities race on ice skates) hasn’t been held since 1997 in Friesland, the most northern part of Holland, because the canals don’t freeze anymore. Now You Don’t Have to Add Salt! Fields in coastal North Carolina are becoming too salty for farming. Scientists fear rising sea levels are shifting the underground gradient where fresh groundwater meets salty seawater. Dikes and pumps can hold back ocean flooding, but they can’t prevent it from mixing with the fresh water aquifers. 1993 Redux . According to NOAA, nearly two-thirds of the lower 48 states have an elevated risk of flooding from now until May, and 25 states could experience serious flooding, worse than the historic floods of 1993. They’re Having Twins! Last week twin cyc...