Ecological Footprint Calculators

If you know how much electricity you use and how much it costs, you can see what would happen if you make certain changes. For example,…

Work and power mean something different to physicists than the rest of us. They measure work in joules and power in watts. If you ever need…

Are you considering putting solar panels on your house or building a new house with solar panels? It will help to have an idea of what…

Sometimes we see temperatures expressed in Fahrenheit and other times in Celsius. We probably learned a handy formula for converting one figure to the other in…

Tap Water Calculator

Do you know your carbon footprint? That is, how much greenhouse gas does your household generate? Most people have no idea. For one thing, it’s hard…

The world is awash in plastic. We keep reading about more and more ways it’s dangerous in the environment. We need to cut down especially on…