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According to Greene (1998), in the summer of 1988,
a mass of solid wastes including hypodermic syringes and other medical
debris washed ashore on beaches from Massachusetts to Maryland. Litter has
been found on other beaches, including remote Islands in the South Pacific.
Much of the garbage is from ships that dump their waste overboard.
However, other trash may be transported via rivers from landlocked states
to the ocean.
Most of this litter is plastic, glass, and metal (Greene,
1998). It is not only ugly but can pose a
threat to many organisms. For instance, sea turtles consume large numbers
of jellyfish and often mistake plastic bags for jellyfish. These bags may
lodge in the esophagus of the turtle, thereby suffocating it. If the
plastic bags do not get lodged in the esophagus and are passed into the
stomach, the turtle cannot digest plastic and, therefore, does not
feel the need to eat. This can result in the sea turtles dying of
starvation.
The U.S. discards more trash than any other nation in the world (Greene,
1998). Approximately 75% of all trash is disposed in landfills (Greene, 1998).
However, many landfills in the U.S. are filled to capacity. Recycling and
incineration of trash may aid in the waste disposal problem. However, it
should be noted that incineration may result in atmospheric pollution.
Recycling and rethinking our use of marine debris should be everyone's
concern and responsibility.
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Students will be able to do the following:
- Understand marine debris and its sources.
- Describe the adverse effects of marine debris on organisms.
- Determine distribution and predominant types of marine debris within
their own region.
- List potential solutions and select one action item to be conducted by a
student environmental organization.
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- Official "Beach Clean up Data Card" (obtained from the Center for Marine Conservation)
- Trash bags (two colors are helpful for separating recyclables)
- Clipboards and pencils for each group
- Gloves
- First aid kit
- Rope, stakes, tide chart, permission slip
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Activity
- Show the Coastal Clean Up slide program available from the Center for
Marine Conservation and, following the presentation, allow the students to discuss the content.
- List sources of marine debris (ships, sewers, commercial and
recreational boaters, landfill runoff, parking lot runoff, and storm drains).
- Have students determine pollution sources common in their area
and list, beside each source, ways to prevent the associated form of
pollution.
- Circle in red all methods of pollution prevention students can
directly accomplish. Circle in black methods students can accomplish
indirectly through letter writing, interviews, and offers to assist
companies.
- Have students volunteer to obtain special materials (data cards and
gloves) and arrange to participate in the state's official
coastal clean up.
- Introduce students to the Data Card safety measures, such as being sure
they all wear gloves, what students should do in the event they find syringes or
glass during the cleanup, and what prizes are available for the most unusual item found.
- Assist students in making arrangements for the cleanup of a nearby
beach or lakeshore.
- During the clean up, have students categorize the types of litter they
find according to the categories listed on the Data Card; award prizes for
the most litter "picked up"; discuss impressions; and hypothesize where the litter originated.
- When students return to the classroom, arrange for those with computer
skills to collect and input the data on a spread sheet. Another cooperative
learning group can analyze the data and create a report that would include
most common types of debris and perceived origins of debris. A third group
can research ways debris affects animal and plant life on the
beach and in the water. A fourth group could present the information
collected to the appropriate officials. A fifth group could investigate the
"Adopt a Beach" program and make recommendations as to whether that would be an appropriate action for the class.
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- Check completeness of record card data.
- Evaluate the group activities that culminated the project with criteria
the class helps develop.
- Create a short test based on what was learned from the coastal cleanup
experience.
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