Astypalaea

How green are country’s ‘green islands’ in reality?

Following Halki and Astypalaia, Poros is now poised to become Greece's third "green island" under the GR-Eco Islands initiative. 

But, in practice, how green are the country's "green islands"? The project is currently focused on energy and less polluting transportation, but it doesn't address waste, sewage, or water "production."