The director of the environmental justice group Groundwork, Bobby Peek says air pollution poses the biggest and immediate risk to the health of South Africans and those responsible must account. The High Court in Pretoria on Friday upheld a complaint by activists that poor air quality in the coal belt is a breach of constitutional rights. The court gave the Environment Minister a year to enforce a clean air plan drawn up a decade ago. South Africa’s coal belt in Mpumalanga is home to an estimated 3.6 million people, as well as a dozen Eskom coal-fired power stations and some Sasol petrochemica…