Last date for submission of paper: unknown; Contact person: Dr Refka Mimouni; is an ideal opportunity to the researchers and industrials to show the recent efforts made through nanoscience and nanotechnology toward meeting the pressing energy and environmental challenges that humankind faces. It will be an opportunity for them to examine future directions of nanomaterial development and encourages future efforts. The conference program will include contributions from world-renowned specialists in the fields of nanomaterials, energy, and environmental science.