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In fact, the earliest known fossil fuel deposits are from the Cambrian Period about 500 million years ago, way before the dinosaurs emerged onto the scene.This is when most of the major groups of animals first appeared on Earth.The enthusiasm everyone shares for these developments has in many ways created a sense of complacency that our future energy demands will easily be met.Alternative energy is an interesting concept when you think about it.To customize your pop-up form, follow these next steps.The sun is the ultimate source of energy for our planet.The problems occur when we destroy ecosystems while mining it and while using it.
Of this amount, oil is king, providing about 41 percent of the world’s total energy supplies, or about 164 quadrillion BTUs.Its energy is found in fossil fuels as well as all living things.Harnessing its energy holds great promise for the world’s energy needs, and it will be heavily called upon as fossil fuels are depleted.Coal provides 24 percent of the world’s energy, or 96 quadrillion BTUs, and natural gas provides the remaining 22 percent, or 88 quadrillion BTUs.It’s not so much that we mine fossil fuels for our consumption any more than it is to mine salt or tap water supplies way underground.
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Dams are a major source of hydroelectric energy, such as the Hoover Dam on the Colorado River (pictured).