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Not everyone agrees. "Biochar isn't a silver bullet, not by a long shot," says Dominic Woolf, a researcher at Swansea University in Wales. "You have to look at the big picture: pyrolysis itself produces carbon dioxide emissions, and you have to consider that when you try to determine biochar...
The next time you flick on a light switch, consider this: about one-fifth of the world's electricity is used for lighting, and most of it is squandered. Traditional ? incandescent light bulbs invented more than a century ago remain the norm, but they are horribly inefficient. Only about...
Obama's staffers aren't the only ones who recognize that the Executive Branch could have an easier team pulling off such a rescue operation. On Tuesday Pelosi, made it clear that the Bush Administration has the authority to act at any time without Congress, saying that "an intervention will...
"We'll want to take a look at their plans in detail and see if they meet a credible test for viability," deputy press secretary Tony Fratto said. "We're pleased to see that everyone is now on board with what we've been saying for some time: that a...
"Why wouldn't attackers do something forbidden by their religious practice - to take drugs or anything else - that could help them achieve what they consider the far more important goal of their plot in striking a blow for God?" Bruguière asks. "Adepts of the Takfir wal-Hijra sect...