Tag Archives: were-cheap

Valley Devastated by Coal Ash Waste (Video)

Photo: Richard Webb , Geograph, CC Most Americans are hardly aware of what coal ash (also commonly called fly ash) is — though plenty became more familiar with the stuff around two years ago when a massive slurry of the stuff was unleashed upon Tennessee . The often toxic byproduct of burning coal for electricity, fly ash is usually captured from the chimneys of power plants. Then, it’s stored in containment sites — or dumped. The following video documents the impact that coal ash… Read the full story on TreeHugger

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Valley Devastated by Coal Ash Waste (Video)

PowerHouse Solar Shingle Is Clever. But Is It A Good Idea?

95% of roofs in America are asphalt shingles that are cheap, fossil fuel based, heat absorbing and don’t last very long; then they are hard to get rid of. They have been called “a disposable roofing system that is difficult to dispose of.” But did we say they were cheap? Dow Chemical decided if you can’t beat’em, join’em and has developed the Powerhouse solar shingle, which John showed us last year. It … Read the full story on TreeHugger

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PowerHouse Solar Shingle Is Clever. But Is It A Good Idea?