New study reveals "extraordinary change" in El Niño possibly linked to climate change

|Update: I posed some questions related to this story to Jason Furtado, a meteorologist at the University of Oklahoma. I've added them and Furtado's responses to the end of the post. |In a first, researchers have used chemical fingerprints locked within coral skeletons to build a season-by-season record of El Niño episodes dating back 400 years — a feat many experts regarded as impossible.That record, presented in a new study appearing in the scientific jour