The U.S. has 5% of the world's population, says the Wall Street Journal, and burns 23% of the world's oil. But what's striking is the make-up of the carbon footprint.
'Industry -- including oil, steel, chemicals and cement -- produces 23% of U.S. greenhouse-gas emissions, according to the McKinsey study. But a handful of other emission sources more directly controlled by consumers far outweigh industry when those sources are pooled together ... Consumer behavior affects virtually all man-made greenhouse-gas emissions because consumers drive the economy.'
Graphene with ripples could help make better hydrogen fuel cells
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The one-atom-thick layer of carbon known as graphene can split hydrogen 100
times more efficiently than an equivalent mass of the best catalysts
because of...
3 hours ago
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