A natural, hot-water underground spring that frequently erupts with a stream of hot water and steam. Most geysers erupt irregularly. Other geysers, such as Old Faithful in Yellowstone National Park, erupt at fairly regular intervals. [Geyser was named for a hot spring in Iceland and means “gusher” in Icelandic.]

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Writing about Global WarmingWednesday September 30, 2015

Writing about Global Warming

 I had a nice note today from Isaiah, in Owings Mills MD, who wrote: "I really like the way you gather information about what scientists know about global warming."Thank you for letting me know that, Isaiah. It is a topic…

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