11

THE ENVIRONMENTTHE ENVIRONMENT

22

G L O B A L P R O B L E M SG L O B A L P R O B L E M S

AIR POLLUTION

WATER POLLUTION

TRASH AND LITTER

RECYCLING

33

A I R P O L L U T I O NA I R P O L L U T I O N

44

A I R P O L LU T I O NA I R P O L LU T I O NCarbon dioxide from Carbon dioxide from

industrial smokestacks industrial smokestacks pollute the atmosphere.pollute the atmosphere.

Carbon dioxide contributes Carbon dioxide contributes

significantly to global significantly to global warming.warming.

It may cause respiratory It may cause respiratory diseases, poisoned lakes diseases, poisoned lakes and rivers, and damaged and rivers, and damaged forests and crops. forests and crops. Smoke from IndustrialSmoke from Industrial SmokestacksSmokestacks

55

Pollution from CarsPollution from Cars

Automobile gas Automobile gas affects affects the human helath,the human helath,

the health of animals, the health of animals, plants and the plants and the atmosphere. atmosphere.

Carbon dioxide affects Carbon dioxide affects significantly to global significantly to global warming .warming .

66

Greenhouse EffectGreenhouse Effect

Global Warming (increasing of the Earth's temperature)

77

Ozone DestructionOzone Destruction In the 1970s, scientists In the 1970s, scientists

found out that human found out that human activity makes harm to activity makes harm to the ozone layer, which the ozone layer, which protects the earth from protects the earth from the sun's ultraviolet rays. the sun's ultraviolet rays. Without this layer, Without this layer, which is about 40 km which is about 40 km thick, no life could thick, no life could survive on the planetsurvive on the planet

88

Acid Rain, form of air pollutionAcid Rain, form of air pollutionForest Damaged by Acid RainForest Damaged by Acid Rain

Forests, lakes, ponds, Forests, lakes, ponds, rivers, etc are being rivers, etc are being severely damaged by acid severely damaged by acid rains. rains.

Acid rain is caused by the Acid rain is caused by the combination of chemical combination of chemical stuff with water in the stuff with water in the atmosphere. atmosphere.

99

W A T E R P O L L U T I O NW A T E R P O L L U T I O N Acid rain Acid rain is a major is a major

global problem. global problem. Acid rain destroys Acid rain destroys

metals, buildings and metals, buildings and monuments, kills monuments, kills vegetation, poisons water vegetation, poisons water and soil .and soil .

It is estimated that each It is estimated that each year 10 million people year 10 million people die worldwide from die worldwide from drinking contaminated drinking contaminated water. water.

Polluted River In The United KingdomThe pollution of rivers and streams with chemical contaminants has become one of the most critical environmental problems of the 20th century.

1010

Oil Spill Clean-upWorkers use special nets to clean up a California beach following an Workers use special nets to clean up a California beach following an oil tanker spill. Tanker spills are an increasing environmental oil tanker spill. Tanker spills are an increasing environmental problem because once oil has spilled, it is virtually impossible to problem because once oil has spilled, it is virtually impossible to completely remove or contain it. Even small amounts spread rapidly completely remove or contain it. Even small amounts spread rapidly across large areas of water. across large areas of water.

1111

Demonstrators Protest DrillingDemonstrators Protest Drilling

1212

Toxic Waste in Love CanalToxic Waste in Love Canal

Residents of the Love Canal area in Niagara Falls were forced to evacuate when hazardous (опасные) wastes leaking from a former disposal site threatened their health and homes in the late 1970s.

1313

ANNUAL HOUSHOLD WASTEANNUAL HOUSHOLD WASTE

!!!!!!

1414

An average person may produce a ton of trash in a year, An average person may produce a ton of trash in a year, that rapidly overflows local dumps. Sometimes cities that rapidly overflows local dumps. Sometimes cities have to remove their waste to other areas, although have to remove their waste to other areas, although up up to 90 percent of the material might have been recycled. to 90 percent of the material might have been recycled.

Overflowing LandfillOverflowing Landfill

1515

L I T T E R L A S T SL I T T E R L A S T S

N

1616

TRASH BECOMES NEWTRASH BECOMES NEW PRODUCTSPRODUCTS

B

This logo indicatesthe item is made fromrecycled materials.

This logo indicates the item can be recycled

1717

R E C Y C L I N GR E C Y C L I N GRecycling Aluminum CansRecycling Aluminum Cans

To keep the natural resources, many industries and individuals recycle waste aluminum. At this collection point, the Alcoa Recycling Company in New Jersey processes aluminum cans into large bales.

1818

Composting and Organic WasteComposting and Organic Waste Waste from the garden, yard, and table does not have to be thrown Waste from the garden, yard, and table does not have to be thrown

away. It may be condensed and reused as a fertilizer through a process away. It may be condensed and reused as a fertilizer through a process called composting. called composting.

The compost is then applied to plants as a fertilizer. The compost is then applied to plants as a fertilizer.

1919

PlantPlants s ggenerateenerate eenergy nergy from from ggarbagearbage

GarbageGarbage is converted to useful energy in this solid waste plant. is converted to useful energy in this solid waste plant.

2020

QUESTIONS FOR DISCUSSIONQUESTIONS FOR DISCUSSION

What can cause air pollution? What does acid rain harm? Where do some companies dump their chemical waste? Why do farmers spray chemicals on crops? Why do you think recycling programs are important? Is there a lot of trash in your city? What noble work do the people of “Greenpeace” do? Why must technology bring apology to ecology?

What do you think you should do to protect the environment?