Oceans and oceanography
In spite of their magnitude and might, the world's oceans are not immune to the effects of adverse human activity, such as pollution. This volume surveys this huge, but fragile, ecosystem and the individuals who help fight for the preservation of this vital resource that has critical significance to all earthly life. --from publisher description
Print Book, English, 2011
1st ed
Britannica Educational Publishing in association with Rosen Educational Services, New York, 2011