Sustainable environment and the role of clean coal energy : [papers presented at International Conferences on Sustainable Clean Power: Europe China India Cooperation held at CCRID Chandigarh India from February 11 12 2013 and at China Coal Information Institute (CCII) ... Beijing China from March 27 29 2013 and a study tour to 9th European Conference on Coal Research and Its Applications (ECCRIA) held at University of Nottingham UK from September 10 12 2012] Papers presented at International Conference on Sustainable Clean Power: Europe China India Cooperation held at Chandigarh India from February 11 12 2013 and at Beijing China from March 27 29 2013 respectively and also from a study tour to 9th European Conference on Coal Research and its Implications held at University of Nottingham UK from September 10 12 2012