Thessaloniki gets ready for its metro launch in November
The underground rapid transit lines have been under construction for almost two decades due to various project delays
Other European cities, including Paris and Cologne, have already experimented with putting sheep to graze in urban areas
Exemptions will be allowed for local residents and businesses as well as for delivery vehicles, ambulances and rubbish trucks
It is part of the largest solar project in the Netherlands
It is a source of information and advice for anyone wanting to learn more about how we can make cities greener and more sustainable
More than 9,400 people and 217 organisation have signed up to take part in the campaign
Scientists measured alarming levels of plastic particles in the waters surrounding the archipelago, which lies within a protected marine reserve off the coast of Puglia
A restaurant in Bristol is using pasta straws to cut down on their plastic usage
Funding will help tackle flooding issues of 50 Irish cities
Main themes are circular economy, green buildings/construction and green procurement