Look around you. How many things that you see have some kind of paint, varnish or finish? Coatings are everywhere -- and getting greener by the day.
Although a certain amount of carbon dioxide (CO2) occurs naturally in the Earth's atmosphere, there are several human activities that increase levels of the greenhouse gas. See more »
Right now, landfills are all over the place. Yet, no one wants to live near one. So, what if we combined all of those landfills into one? How much space would it take up? See more »