Chinese technology helps cut emissions at Serbia plant
The city of Bor in Serbia has a decades-old air pollution problem due to its proximity to one of Europe's largest copper mines. Excessive amounts of sulfur dioxide, a byproduct produced by the copper smelting plant, has threatened the health of its inhabitants and those living in towns and villages close by. But now, for the first time in the town's long history, that problem is on the verge of be...