United Kingdom - London Array With a peak rated power of 630 megawatts, London Array is the largest wind farm in Europe by capacity, and also the largest offshore plant in the world.

Energy efficiency has become a key objective in the current context of increasing energy demand, decreasing resources and global warming. Key to efficient energy savings, however, are users' awareness and behaviour.

The building sector has become much greener. To get such credentials it has adopted methods borrowed from other industries, such as life cycle analysis ( LCA ), which looks at the environmental impact of a building at every stage from its creation to its decommissioning.