World leaders call for sustainable practices to reverse environmental degradation

French President Emmanuel Macron (L) delivers a speech at the high-level segment of the fourth session of the UN Environment Assembly (UNEA) in Nairobi, Kenya, March 14, 2019. Heads of states and governments on Thursday attended the high-level segment of the fourth session of UNEA in Nairobi with renewed call for adoption of sustainable practices to revitalize war against climate change, pollution and habitats' depletion. (Xinhua/Zhang Yu)