A former NOAA fellow talks about the development of her career and the challenge of telling a model you don't want it to simulate El Niño. 

Katherine Allen studies oceans and climate, past and present. Her knowledge of plankton and her scuba diving skills have allowed her to explore fascinating and beautiful locations from New Zealand to Maine. 

Climate.gov talks with scientific scuba diver and marine scientist Danielle Claar, an early career scientist with a passion for everything ocean—from tide pools to coral reefs.