Solar Basics for Kids

Energy from the sun The sun has produced energy for billions of years. The energy in the sun's rays that reaches the earth (solar radiation) can be converted into heat and electricity. In the 1830s, the British astronomer John Herschel famously used a solar thermal...

How to Green Spring Cleaning?

Cleaning can be hazardous to your health - and to the environment. Many common household cleaners contain ingredients have been linked with neurological, liver, and...