ocr: The south is the region with the most serious pollution problems. Cement-plant and power-station emissions have been linked to respiratory diseases. The incidence of birth defects has risen in the vicinity ofthe artiticial fiber plant in Suceava. Industrial water pollution is also a major problem, aggravated by insutticient purification tacilities. However, nature conservation is currently receiving more attention. The Danube delta has been identitied as a site for a biosphere reserve.