Chania: Camping 650 meters underground, with blankets & wi-fi – Diving in the deepest cave in Greece (video-photos)
What is the value of caves - What researchers saw in the sanctuary of the deepest cave in Greece
Lake Agia in Chania is drying up – Wetland under threat, see photos
Lake Agia, one of the most important wetlands of Chania and Crete, has been facing a dramatic drop in water levels in recent weeks
Switzerland: Free – temporarily – public transport in Geneva to tackle pollution
Geneva is experiencing a severe peak in ozone pollution, which can cause breathing problems, headaches and asthma attacks, according to the World Health Organization