04/06/2026
According to the United Nations Environment Programme (UNEP) and the City of Paris, the 50@50 initiative will support participating cities in sharing practical heat-adaptation solutions, conducting heat stress tests, and strengthening investments in cooling infrastructure, green spaces, shaded public areas, and early warning systems.
The initiative is also aimed at improving urban preparedness for extreme heat and protecting vulnerable populations as temperatures continue to rise.
UN Environment Programme
C40 Cities