Agence France-Presse: China has said it aims to cut the intensity of dioxin emissions in key industries by 10 percent by 2015, as part of efforts by the world’s top polluter to tackle ever-worsening air quality. The Ministry of Environmental Protection said in a statement that 17 key industries must install filters on all emission-producing equipment by June 2011. However, the 10 percent target is not an outright cut in dioxin emissions, but instead a reduction in intensity — language that China has previously…