Crossroads, Covid-19 and climate change

The coronavirus disease 2019 (Covid-19) pandemic has become a defining period in our lifetime. It is alarming how something unseen by the naked eye can almost bring our world to a standstill. Just imagine if a threat of this magnitude becomes not a once-in-a-generation event, but a regular occurrence.

Yes, this is a possibility due to another microscopic agent: greenhouse gases, of which there are too much in our atmosphere and oceans, and cause climate change.