The effects of climate change like melting sea ice and rising sea levels occur naturally, and may not necessarily be due to human impact on the environment, according to some scientists and contrary to popular belief. These changes are part of a natural cycle and have happened before.
Dr. Thomas M. Cronin, a geologist at the U.S. Geological Survey, gave a guest lecture Wednesday, Feb. 15, as part of the University’s Darwin Days. Cronin’s presentation, “Climate Challenges and the Geologic Record,” focused on two main areas: sea ice and sea level.
