Summer forecast: What to expect as El Nino weakens

As Canadians brace themselves for summer temperatures, forecasters say a weakening El Nino cycle doesn’t mean relief from the heat. The transition from El Nino to La Nina, a natural climate pattern which shifts warmer-than-average ocean temperatures in the equatorial Pacific to more neutral levels, might have meant a cooler summer in generations past, but human-driven climate change is causing temperatures to continue an upward trend, according to the U.S. National Oceanic and Atmospheric