2. Renewable Energy City. Urban areas powered by renewable energy techniques and technologies from the region to the building level. Renewable energy enables a city to reduce its dependence on fossil energy and its ecological footprint and if using biological fuels can be part of a citys enhanced ecological functions.
4. "video games can stimulate learning of facts and skills such as strategic thinking, creativity, cooperation and innovative thinking, which are important skills in the information society (2009, Dutch Government report)."