Охрана окружающей среды

Материал из Клуб Слідопитів

1. Какие разница между экологией и охраной окружающей среды?
2. Напишите очерк на 500 слов на тему, как увеличение численности населения угражает существование земли.
3. Что значит определение мертвое озера или река? Существует ли в вашей местности озеро или река, которая считается мертвой?
4. Проведите исследование маленького ручья, который протекает поблизости вашего города. Проверьте следующее:
   • Признаки чистоты
     1. Изобилие маленькой рыбы
     2. Вода визуально чистая и пахнет свежестью
     3. Берега ручья покрыты растительностью вплоть до воды
     4. Небольшое количество зеленых водорослей в воде (светло-зеленого цвета)
     5. Присутствуют некоторые виды водных растений, такие как рогоз или понтедерия сердцелистная
     6. Присутствуют черепахи
     7. Под камнями в ручье обитают речные раки
     8. Песчаная отмель покрытая густой растительностью указывает на относительно стабильный уровень воды
   • Signs of Stream Deterioration and Death
     1. Large masses of blue‑green algae present (dark green in color)
     2. Scoured banks from high water level during storms
     3. Putrid smell of the water
     4. Detergent foam present
     5. Trash sticking out of mud and sand bars along the stream
     6. Water loaded with silt
     7. No aquatic insects or fish present
     8. Presence of raw sewage
     9. Presence of oil on surface of the water
     10. No salamanders or frogs under rocks along stream bank
     11. Stores or small factories dumping their wastes into the stream
5. If your stream is showing some of the above signs of death, do something about cleaning it up. Go talk to people responsible for its contamination or pollution. Most people don't think about such things and are only too glad to cooperate if made aware of the situation. Organize a group of young people to help you to clean up the trash along your stream. Get businessmen to supply trucks or pick‑ups to help your campaign.
6. Make a visit to the city or regional trash dump to see how this waste is handled. Find out:
   • How many tons of trash are dumped daily? Yearly?
   • What attempts are made to recycle any of this trash?
   • Is any of the trash burned or is all of it buried?
   • What is the cost per person, per year, for handling trash in your town?
   • What happens to junked autos in your area?
7. Make a visit to the nearest sewage plant. Draw and label a detailed diagram of what happens to the liquid and solid wastes from the time they come into the plant until they leave. In what form do they leave? Is any further use made of this waste?
8. Where possible, visit a water purification plant.Construct a flow diagram of the steps in water purification from the time the water enters the plant until it leaves for distribution to homes and stores. Through reading and discussion with water works officials, determine whether water resources in the future are going to be enough to meet the demand.
9. Read and write a book report on an environment issues book such as Rachel Carson's Silent Spring.
10. What are rare and endangered species? Determine what efforts are being put forth to protect such species in your area. What can you do to help?
11. Write a 300-500‑word essay on your ideas.