Classifying energy fuels and clean and dirty renewables

Many people use the words “renewable” and “sustainable” in relation to energy fuel and the environment without being specific about what they mean by these words. I could write a long piece about definitions, but in the case of energy I think that it is better to classify the various types of energy fuel so that the classification is based on sustainability and environmental impact.

By using this classification I hope that environmentalists can avoid the double speak of politicians and the lack of clarity that makes people who disbelieve the realities of climate change and the benefits of environmentalism.

So here are my classifications, sets and sub sets for energy based on fuel that produces energy, be it electrical or heat energy or energy for transportation:- Continue reading