“By acquiescing in an act that can cause suffering to a living creature, who among us is not diminished as a human being?”-- Rachel Carson, The Silent Spring
“By acquiescing in an act that can disrupt and destroy delicate ecological balances, who among us is not diminished as a human being?”– textbook paraphrase
Pollution - U.N., 1982Pollution is the introduction by humans, directly or
indirectly, of substances or energy into the marine environment (including estuaries) resulting in deleterious effects such as harm to living resources, hazards to human health, hindrance of marine activities including fishing, impairing quality for use of sea water and reduction of amenities.
Pollution - Pinet , 1998Pollution is the introduction OR extraction by
humans, of material and energy from the environment, such that concentrations of these substances are raised or lowered below “natural” levels to such a degree that environmental conditions change. This contamination by direct or indirect human activity is pollution whether the impact happens to be the living or to the nonliving parts of ecosystems.
e.g., erosion of the coast or a barrier island...
Why Should We Care???� Over half our
population lives within 50 miles of the coast
� We eat at least 15 lbs. of seafood per person each year
� Just about everything bought & sold goes thru ports in cargo ships
� 15 million species in oceans & wetlands, each one vital to balance of nature
� 17% of our oil and 25% of our natural gas come from offshore
� PB is spreadable because an ingredient found in the ocean
Why We Should Care (cont.)
� Most of the world’s weather/climate patterns...
� The oceans are fun to be near or in...
Pollution tends to be concentrated in three parts of the ocean
Blowout of exploratory well Ixtox 1 in 1979 (Gulf of Mexico). When workers were able to stop this blowout in 1980 an estimated 140 million gallons of oil had spilled into the ocean. This is the second largest spill ever, smaller only than the deliberate oil spills that ended
the Kuwait-Iraq war of 1991
1000 miles of shoreline damaged198
“The Curse of the Carissa”Feb/Mar ‘99
“The Curse of the Carissa”
“The Curse of the Carissa”Navy torpedoes!
“The Battle for the Beach”70,000 gallons of oil
2400 seabirds killed
Human Foibles� Relatively little pollution occurs due to tanker