Encyclopedia of Earth
Encyclopedia of Earth: Air Quality in Megacities
Article discusses the impact of air pollution on human health, and surrounding environments, in large urban areas around the world. Compares the levels of smog in the cities of Los Angeles and London, discusses air monitoring programs,...
TeachEngineering
Teach Engineering: Ecology at Work
Students learn how rooftop gardens help the environment and the lives of people, especially in urban areas. They gain an understanding of how plants reduce the urban heat island effect, improve air quality, provide agriculture space,...