Fossil fuels are seen by some scientists as a temporary energy source. which aspect of fossil fuels encouraged scientists to find other sources of energy production

One day fossil fuels are going to run out because we use them on a regular basis all over the world. we also use them that much which is causing air pollution and climate change. The use of coal creates CO2 which is a green house gas which will also cause a green house effect.

I’m sorry i don’t know the answer