Vehicle pollution zone to cover all of London

Older and more heavily polluting vehicles will have to pay to enter the entire metropolitan area of London from next August, the British capital's mayor said Friday.

Climate Questions: Does what I do matter?

Can people's individual actions make a difference in how much carbon dioxide is emitted on an international scale? International organizations like the United Nations have called on individuals to limit their carbon footprint ...

No-till farming study shows benefit to Midwestern land values

No-till farming, considered to be a more environmentally friendly farming practice that reduces soil disturbance when compared with conventional practices, appears to have an important benefit besides reducing soil erosion ...

Is there an upside to today's high gasoline prices?

Pulling up to the pump these days requires a major financial commitment, what with the national average price of gasoline at close to $5 per gallon—and over $6 in California. But while higher gas prices take a bigger bite ...

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