What is air pollution? Learn how greenhouse gasses, smog, and toxic pollutants effect climate change, and human health. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for... Read more »
Forests cover about 30% of the planet, but deforestation is clearing these essential habitats on a massive scale. What is deforestation? Find out the causes, effects, and solutions to deforestation. ➡ Subscribe: http://bit.ly/NatGeoSubscribe... Read more »
What are wildfires and how do they start? Learn how we can prevent destructive wildfires, and how we can manage wildfires to improve the health of forests. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National... Read more »