International Society for Energy, Environment and Sustainability (ISEES; www.isees.in) is pleased to announce the organization of 3rd International Conference on Sustainable Energy and Environmental Challenges” (3rd SEEC) during December 18-21, 2018 at the Indian Institute of Technology, Roorkee (IITR), India. The event is being organized by ISEES in association with IITR and National Institute of Technology (NIT) Uttarakhand, Srinagar, Pauri Garhwal, India. This conference also encompasses one day post-conference workshop on “Emerging Resources and Technologies for Sustainable Energy” on December 22, 2018 at NIT Uttarakhand.