After an impressive career spanning five decades, four countries, three continents, several oceans and countless adventures, you might expect Peta Mudie ready to take a rest. You would be wrong. Now an emeritus scientist at the Bedford Institute of Oceanography in Dartmouth, Nova Scotia — a Government of Canada ocean research facility and the largest ocean research station in Canada — she speaks with a measured urgency: “We’re at a tipping point where we’ve passed the ability to have great certainty in forecasting what’s come for the future.”