Elmhurst and the rest of the Chicago area have been enjoying historically warm weather this winter. At the same time, Europe has been suffering through brutal cold that has killed hundreds. So are these just weather anomalies? Or is extreme weather becoming the new normal? In this edition of the Quick Studies podcast series, Heidi Cullen, a senior research scientist at the science and media organization Climate Central, says that climate change is making our world steadily warmer–and in the process, creating more fuel for storms and weather extremes.