María Regidor co-owns a mini-hydro power plant in Spain, which produces part of the electricity provided to the residents of the Castile and León region.

Forming attitudes is hard. It may be exciting to start a new habit, but it’s challenging to make it stick. This may often happen when we try to go green, consume less energy and constantly follow virtuous behaviours in the buildings where we live and work.

Peer-to-peer (P2P) platforms allow energy sharing and trading within a community without the binding mediation of the traditional big utilities.

If energy-saving measures came knocking at the door, wouldn't it be reassuring to have someone on hand to help you navigate the benefits and inconvenience, someone to help dispel your doubts? This is what is happening in Zaragoza, Spain, where social workers are helping the dwellers of a block of council flats.

Thirty-one apartment buildings comprising 140,000 m 2 of floor space: Europe’s most ambitious energy-saving renovation project is transforming Torrelago, a residential district of Valladolid in central Spain.

Local governments in Europe are notoriously risk averse, city council officials and industry leaders won’t hesitate to tell you.

This year’s EU Green Week is clear in its focus: “green jobs for a greener future.” It’s highlighting how environmental policies are helping to create new work opportunities and a demand for new types of competences.

The pioneering city of Stuttgart, Germany, was one the first to apply an innovative financing scheme back in 1995 and since then it has been bearing its fruit: energy-efficiency funding has reduced the city’s CO 2 emissions by tens of thousands of tonnes.

Do young people know what a smart city is? Do they care about saving energy and preserving the Earth’s resources? “Rooting sustainability starts on the benches of schools,” affirmed UNESCO director-general Irina Bokova at the recent UN Climate Change Conference ( COP22 ) in Marrakech, Morocco.

In the wake of the Brussels bombings, the French blogger Francis Pisani addressed the quandaries of modern, connected European cities facing terrorist threats .