Breakthrough in clean diesel research

A breakthrough in catalysis research by academics at the Universities of St Andrews and Newcastle could lead to the development of clean diesel engine technology and help combat air pollution.

Excess heavy metals in 10% of China's land: report

About 10 percent of China's farmland contains excessive levels of heavy metals due to contaminated water and poisonous waste seeping into the soil, state media said Monday, citing a government survey.

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