"Fossil fuels" are natural resources that are formed over millions of years from the remains of plants and animals. Examples of fossil fuels include coal, oil, and natural gas. Full definition
According to natural laws, in this increase of CO2 content in atmosphere there is only about 4 % anthropogenic CO2 caused by fossile fuels. (judithcurry.com)
Digging earth pollute the ecosystem, the emission from fossile fuel power plants make people get sick. (dotearth.blogs.nytimes.com)
Fossile Fuel company top executives: «My company, I get lots of money (and want more), even if I believed that it is not in my personal interest. (johnquiggin.com)