The 2022 United Nations Conference on Climate Change—popularly known as CoP-27 (the UN’s 27th Conference of the Parties)—has commenced. While its focus will be on climate change broadly, European countries appear keen on controlling carbon emissions. However, this year, many of them returned to fossil fuels, including coal, as their energy security came under a cloud. Global warming or climate change is a complex phenomenon. One of its causes is the concentration of greenhouse gases from human activity. The current atmospheric concentration of CO2 is mostly a result of past emissions from the development model that today’s developed countries followed....