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Mans impact on environment - Coggle Diagram
Mans impact on environment
How does man interact with the environment?
Man depend on natural resources
Natural resources
Air
Fossil fuels
Forest
Land
Water
Minerals
Metal
Sunlight
Obtain
Energy
Food
Minerals
Mans interaction with environment
Negative
Depletion of natural resources
Fossil fuel
Coal
Oil
Gas
Make machines
Once depleted,cannot be replaces
Metals
Makes
Untensils
Machines
Jewellery
Minerals
Trees in forests
Obtain wood
Make
Furniture
Paper
Fish
Food
Overfishing
Cause depletion of fish
Make fish go endangered or extinct
Deforestation
Provide land
Dig up fuels and minerals
For wood
Process
Trees are cut down
Tree stumps and smaller plants are cleared by burning
Characteristics
Loss of living things
Plants and animals may died of burning
Smoke make them difficult to breathe
Carbon dioxide is greenhouse gas
Causing global warming
No more plants with roots that can hold the soil
Erasion takes place as soil is washed away
Soil get blown by the wind
Difficult for new trees and plants to grow
Fewer trees to absorb water from the ground
Less water vapour is releases into the air to form clouds
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Organisms lose their homes
Exposed to predators and weather,may die
Pollution
Caused by releasing pollutants to the environment
Pollutant
Pollutant makes environment dirty and harmful
Affect land,air,water bodies like seas
Caused
Litter
Pollutes land water
Unpleasent to look at
Gives off bad smell
Attract pests and disease-causing organisms
Chemicals
Maybe washed into water bodies like rivers
Kill aquatic organisms
Poison tje water,making it unfit for human use
Untreated human waste
Released into human bodies
Making water unsafe for drinking and washing
CFCs(In some refrigerators)
Make ozone layer thin
Ozone laye protects earth from harmful UV rays
Cause sunburn,eyeproblems and skin cancer
Smoke
Produced by burning
wood
Oil
Processes in
Factories
Vehicles
Machines
Contain pollutant
Can cause eye infection
Make air difficult to breathe in
Cigarette smoke
Contain substances that pollute the air
Harmful to health and can cause lung cancer
Haze
Caused by burning forests
Cause eye irritation
Can cause difficulty in breathing
Occurs regularly in singapore
Acid rain
Formed when pollutants from smoke dissolve into rain
Can kill aquatic organisms
Pollutes water supply
Can kill trees
Damages buildings and outdoor structures
Global warming
Certain gases susch as carbon dioxide
Trap heat from sun
Make the earth warm
Warming effect kanown as greenhouse effect
Greenhouse effect keep earth from freezing
Greenhouse gas like carbon dioxide
Given off as a result of
Burning of fossil fuels
Deforestation
Ice caps melt
sea level would rise and places near the sea would be flooded
What can man do to make a positive impact on his environment
Respondisble for protecting his environment
Carry out actions that have positive impact on the enevironment
Conservation of natural resources and reforestation
Reducing
1st example
Reduce use of fuels
Take public transport
Effects
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Walk short distances
2nd example
Reduce amount of litter produced
Use products with less packaging
Effects
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3rd example
Reduce the use of containing CFCs
Only buy aerosols with 'CFC-free' labels
Effects
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4th example
Reduce the use of paper and plastic products
Bring own shopping bag instead of using plastic bags
Effects
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Reusing
Example
Do not throw products after you used them
Reuse them instead
Reuse
Plastic bags
Glass jars
girft-wrapping papers
Effects
Conserves natural resources
Reduce the pollution of land and water
Recycling
Example
Recycle
PLstics like shopping bags
Glass such as jars
Metal product such as aluminium cans
Effects
Reduces pollution of land and water
Conserves natural resources
Reduce land,water and air pollution
keep the environment clean
take public transport instead of car
Dispose rubbish properly
Protect wildlife
Conserving natural haitats
Prevent overfishing
Reforestation
Carried out to reduce the negative effects of deforestation
Planting seeds and young plants in forests where tree were cut down
Help restore forests and wildlife that lives there
Planting trees also help to reduce
Carbon dioxide
Global warming