(VOVworld) - The 7th High Level Seminar on Environmentally Sustainable Cities opened in Hanoi on Thursday.

 
The event took place in the context of a new climate change agreed by 195 countries in Paris and aimed to promote regional cooperation in environmentally sustainable cities.
During the 2-day meeting, delegates will review experience in setting up a network of cities to tackle challenges including pollution, climate change, biodiversity and water security.