If we keep using these fuels they will eventually run out. We call fuels that will run out 'non-renewable'. Oil and gas will be the first to run out and then coal. When fossil fuels burn ...

A lot of our energy comes from non-renewable sources such as coal, oil and gas. These resources are made up from the remains of ancient animals and plants that develop over millions and millions ...

IT white papers, webcasts, case studies, and much more - all free to registered TechRepublic members. IT departments must regularly perform maintenance, upgrades and other service on ...

Fossil fuels - coal, oil and gas - on the other hand, are non-renewable resources that take hundreds of millions of years to form. Fossil fuels, when burned to produce energy, cause harmful ...