Cutting down on fossil fuel burning is essential for developed nations to do. On 29th July 2019 Global Footprint Network said that humanity had used natures resources budget for the entire year.
Currently carbon dioxide emissions from burning fossil fuel comprise 60% of humanity's ecological foot print.
Reference maps emphasize the location of spatial phenomena, such countries, cities, rivers, etc. ... A reference map might show bank locations, while a thematic maps shows average income in an area. It's the difference between mapping places and mapping data.
