Category: Most Viewed
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Straight facts on the environmental impact of coal: CO2 emissions, pollution, land, and water
Burning coal creates CO2, NOx, SO2, mercury, and uranium. Coal also uses large amounts of land and water.…
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Understanding the basics of electricity by thinking of it as water
Part of our Freeing Energy 101 series: a basic introduction to electricity. The article uses water as an…
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Four steps to take your house off-grid
Taking your house or business entirely off-grid and powering it with clean energy isn’t easy today but these…
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Why does the cost of renewable energy continue to get cheaper?
The price of solar cells has dropped 300-fold over the last four decades. What is driving this incredible…
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How much solar would it take to power the U.S.?
Critics claim that there simply isn’t enough land in the U.S. to power the country with solar. We…
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How Edison, Tesla, and other visionaries invented the modern grid (Part 1 of 3)
Take a moment to imagine a world without electricity. You will quickly realize how dependent our 21st-century lives…
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Using new business models to unleash competition and innovation in the power industry
Competition is all about price, features, and customer experience. Right? That’s what business schools have been teaching for…
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Can community-scale solar become the Model T of clean energy?
Every single solar project, big or small, gets assembled one at a time on a roof or in…
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The biggest business opportunity in history
Clean energy is the biggest business opportunity in history. Let me explain. To put this in perspective, look…
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A TED talk on accelerating the shift to clean energy
Electricity powers nearly every aspect of our modern, convenient lives. It’s so pervasive and easy that most of…