Mexico sets 25 pct pollution cut by 2030 for climate talks

Mexico has become the first developing nation to submit pollutant reduction goals for next fall's Paris climate change talks, pledging to cut greenhouse gas and black carbon emissions 25 percent by 2030.

Cows may hold the key to greener fuels

Scientists in Scotland are turning to cows and the tiny organisms and enzymes found in their stomachs for a potential way to create industrial products such as biofuels from plant waste and plan to unveil their ideas at a ...

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