John Callahan from the Delaware Geological Survey was a guest speaker at the Delaware March for Science and Our Earth event that took place on Earth Day, April 22, in Newark, DE. John spoke on past observations and future projections of climate change in the First State and globally. He stated the First State is already seeing some of the impacts, particularly from sea level rise. Temperatures in Delaware have increased by 2 degrees since 1900 and sea levels have increased by about 13 inches, Callahan said.
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