Join the Trees in Cities Challenge - UN Climate Action Summit Special Envoy de Alba
UN Secretary-General's Special Envoy for the UN Climate Action Summit 2019, Mr. Luis Alfonso de Alba, encourages local authorities and citizens to join the Trees in Cities Challenge.
The Trees in Cities Challenge invites Mayors to make tree-planting pledges and to put these into action - unlocking multiple sustainability benefits, for the climate, environment and society.
Visit https://treesincities.unece.org/ to learn more