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Environmental Watchdog
NASA Scientist Discusses Climate Change
In increasing numbers, scientists are in agreement that the earth’s climate is changing, and human carbon dioxide emissions are contributing to those changes. A NASA climate scientist was in Louisville this weekend to talk about the growing evidence. Gavin Schmidt is a climate scientist at NASA’s Goddard Institute for Space Studies. He says scientists have exhaustively studied the numerous signs of climate change—like warming oceans, melting glaciers—and then compared them to the fingerprints of different things. Like, are all these events being caused by sun brightness? Or volcanoes? He says they’ve narrowed it down, and the only culprit left is increases in carbon dioxide emissions.