Why cities should plant more trees Over 3 million people die annually from air pollution. Planting trees can help lower that number. February 12, 2018 Ecology, Education, Environment Share This Video Tweet Share Share Email Related Videos Severe water shortage in Iraq hit farmers hard Ecology, Health, Political Severe water shortage in Iraq hit farmers hard Causes and Effects of Climate Change | National Geographic Environment, Human, Lifestyle Causes and Effects of Climate Change | National Geographic Our Future | Narrated by Morgan Freeman Environment Our Future | Narrated by Morgan Freeman
Severe water shortage in Iraq hit farmers hard Ecology, Health, Political Severe water shortage in Iraq hit farmers hard
Causes and Effects of Climate Change | National Geographic Environment, Human, Lifestyle Causes and Effects of Climate Change | National Geographic