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Burn almost any kind of organic material - corn husks, hazelnut shells, bamboo and, yes, even chicken manure - in an oxygen-depleted process called pyrolysis, and you generate gases and heat that can be used as energy. What remains is a solid - biochar - that sequesters carbon, keeping CO2 out of the atmosphere. In principle, at least, you create energy in a way that is not just carbon neutral, but carbon negative...

Author: /time Magazine | Title: Carbon: The Biochar Solution | 12/4/2008 | See Source »

...Yes, concrete. Not the cheap, gray, easily cracked, soulless stuff that gave urbanization a bad name when it was slathered over Western cities in the 1960s, but newfangled, bright - and still relatively expensive - concrete that has come onto the market this decade. High-performance or ultra-high-performance concrete, as it's known in the industry, is up to 10 times stronger than regular concrete. Although, pound-by-pound, it costs several times as much as regular concrete, industry officials say price comparisons are misleading because the high-tech versions have different properties that make them more comparable to materials...

Author: /time Magazine | Title: Building Materials: Cementing the Future | 12/4/2008 | See Source »

Will consumers go for it this time around? Yes, says Russill: "LED is here and it's moving very quickly." Back in Antwerp, Bijlsma and Philips are betting he's right...

Author: /time Magazine | Title: Lighting: Bright Idea | 12/4/2008 | See Source »

...answer is yes, there is a downside. Even though amounts this large inevitably seem like toy money, it's a real trillion dollars we are talking about spending. Even if we spend the money wisely (on bridges to somewhere), we or future generations will still have to pay it off, with interest. Or, more likely, we will inflate it away, along with the life savings of those who were foolish enough to save all their lives. It's just that the downside of doing nothing is worse. It's an easy choice, I guess. But let's not pretend that...

Author: /time Magazine | Title: Stimulus Nation: Pump It Up | 12/4/2008 | See Source »

...yes, the 2000 Florida hanging-chad, butterfly-ballot, television-network-confusing fiasco. The presidential race between Al Gore and George W. Bush was eventually decided by the Supreme Court, which voted 5-4 to suspend recount activity, a decision that ultimately awarded the state and its Electoral College votes to our 43rd President. There were machine counting, hand counting, ballot inspections, dispute over absentee votes, a powerful Florida secretary of state named Katherine Harris and enough hand-wringing that the transition between Bill Clinton and Bush was delayed by six weeks...

Author: /time Magazine | Title: Recounts | 12/4/2008 | See Source »

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