Describes the atmosphere, including the ozone layer, photosynthesis, and recycling carbon.
General Note
Includes index.
Content Note
Our world -- Air-it's a gas! -- Living in the troposphere -- Holes in the ozone layer -- The power of photosynthesis -- Cycling carbon -- Firing up the factories -- Electricity at home -- Burning up the highway -- Pardon my methane -- Acid from the sky -- Project air -- Think globally -- Sustaining our world.