marine resources conservation

With shark populations dwindling worldwide - thanks to ignorance about these mysterious creatures, overfishing, and the popularity of shark fin soup - the biologist Dr. Greg Skomal wants to better understand the habits and habitats of the most feared and maligned shark of all, the great white shark.

Presents twenty-five essays that debate various issues that relate to the world's oceans, and discusses the numerous threats to the waters and marine life, federal policies, the fishing industry, and how humans affect marine mammals.

"Discusses what oceans are, their importance to humans and to the ecosystem, how humans are harming them, and what can be done to protect them"--.

Photographic exploration of Earth's four ocean zones, discussing why oceans are necessary to life on the planet, looking at the steps scientists and environmentalists are taking to save oceans from the damaging effects of pollution, over-fishing, and increased population, and outlining what individuals can do to conserve ocean environments.

Discusses pollution of the ocean and depletion of the ocean by overharvesting of various species, including krill.

Discusses the food, mineral, and energy sources the sea holds for mankind and the need for international law to ensure that these sources are not exploited, polluted, or wasted.

An in-depth look at oceans, discussing their formation and evolution, effects on climate, plant and animal life, and how humans have learned about and benefited from the seas.