Last winter’s flu epidemic was short and mild. And then COVID-19 arrived. The flu epidemic in the winter of 2019/2020 was mild and lasted only 5 weeks.
HFC greenhouse gases accumulate in refrigerators and air conditioners Hydrofluorocarbons (HFCs) are potent greenhouse gases used in refrigerators and air conditioners and are released primarily at the end of the life-span of these products.