With the United Nations (UN) Climate Change Conference at its 26th edition in Glasgow, UK, head of 197 states are gathering to turn the spotlight on the most challenging environmental problem humanity is facing: climate change. Negotiators representing the parties of UN Framework Convention for Climate Change (UNFCCC) are working on finalizing the pending controversial aspects of the Paris Agreement and accelerating efforts to limit global warming to well below 2°C, above the pre-industrial temperature level, preferably stabilizing the temperature at 1.5°C (above the pre-industrial temperature level) by the end of the current century.