Air pollution at historic highs in China’s Guangdong (Environmental News Network) HONG KONG (Reuters) - Air pollution in the southern Chinese province of Guangdong increased markedly last year, with 27 major cities and counties suffering a record number of hazy days, Xinhua news agency said on Wednesday. China's industrial heartland of Guangdong, which borders Hong Kong, recorded an average of 75.7 days of haze in 2007, the highest level since the Communists came to power in ... [News Source]