Renewable energy sources are plentiful and all around us. Fossil fuels - coal, oil and gas - on the other hand, are non-renewable resources that take hundreds of millions of years to form.

This piece is part of a series of guest opinions from Crestview Elementary School 5th graders. Each piece was submitted with permission from the author’s parents. Can you imagine a world of just green ...

Burning fossil fuels also releases pollution into the atmosphere, such as soot, nitrogen oxide and carbon monoxide - these are bad for our health. The major types of fuel used for transportation ...

The burning of these fossil fuels also discharges carbon ... Using sliders, you can select the types of energy you want and how much of each you want. As you move the sliders, you’ll instantly ...

Fossils can be broadly divided into body fossils and trace fossils. Body fossil – The remains of part (or all) of an actual organism. In the kits, the trilobite (2), brachiopod (3), dinosaur bone (4), ...