Italy's Ventina glacier has melted so much geologists now can only monitor it remotely
简介：
相似视频：Italy
Swiss glacier collapse buries the majority of the village of Blatten
Massive plume of ash and volcanic material billows above Mount Etna as it erupts again
Lithuania has installed so-called 'dragon's teeth' on the border with Russia
Swiss glacier collapse highlights urgent need for monitoring and warning systems, WMO says
Renaturalisation of wetlands slows global warming and species decline
