A simple example of such activities that has affected the planet is the burning of fossil fuels. And examples of fossil fuels are coals, crude oil, natural gas, etc. Fossil fuel are formed from decayed plants and animals that lived ...

While we labor for the future, the residues of our present endeavors constitute some of the greatest of our challenges for the future. Our activities as humans have left a footprint that change the environment and the planet. These changes ...