Many people willing to isolate at home in case of positive COVID-19 test The sense of threatening danger from the novel coronavirus is declining. People are feeling less anxious and despondent than in the initial phase of the coronavirus pandemic.
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.