What is the Difference Between Similar But Different Things, Terms, and Objects

What is the Difference between Ice Age Ozone Depletion and Greenhouse Effect

Human beings have travelled the path of invention and technology in the last decade with far more speed than the previous century. The automobiles and other inventions have facilitated human beings more than one can think of. People work in cool rooms because of air-conditioners and travel with ease in their motor cars. These inventions have very advantages but are also harmful. The burning of fossil fuels has adverse effects on our environment.