197097
Description
Mind Map by pwincess_sana97, updated more than 1 year ago
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Created by pwincess_sana97
about 11 years ago
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Human impact on environment
- World's populations is increasing
- birth rates are higher than death rate
- bad impact on environment as
pollution increases and more
resources are being used up
- high standards from developed
countries demand more resources
- these countries have a small
proportion of population
- but cause a big proportion of the pollution
- but cause a big proportion of the pollution
- these countries have a small
proportion of population
- high standards from developed
countries demand more resources
- bad impact on environment as
pollution increases and more
resources are being used up
- birth rates are higher than death rate
- GLOBAL WARMING
- fossil fuels = coals, oils and natural gas
- when these are burnt they release lots of
carbon dioxide = greenhouse gas
- greenhouse gases trap heat in the
atmosphere causing global temperatures to
rise = global warming
- scientists have predicted that if global
warming goes up then sea level will rise.
Weather systems will become hard to
predict and agricultural output will fall
- amount of greenhouse gases given off at
a certain time( by a person) = carbon
footprint
- amount of greenhouse gases given off at
a certain time( by a person) = carbon
footprint
- scientists have predicted that if global
warming goes up then sea level will rise.
Weather systems will become hard to
predict and agricultural output will fall
- greenhouse gases trap heat in the
atmosphere causing global temperatures to
rise = global warming
- when these are burnt they release lots of
carbon dioxide = greenhouse gas
- fossil fuels = coals, oils and natural gas
- ACID RAIN
- fossil fuels and waste material burnt = releases gas called sulfur dioxide
- sulfur dioxide reacts with water in the atmosphere = sulfuric acid = falls as acid rain
- acid rain damages soil and can kill trees
- acid rain can cause lakes to become more acidic.
- severe effect on the ecosystem =
changes the pH= kills animals and
plants
- acid rain damages limestone, ruining building and
stone statues
- severe effect on the ecosystem =
changes the pH= kills animals and
plants
- acid rain can cause lakes to become more acidic.
- acid rain damages soil and can kill trees
- sulfur dioxide reacts with water in the atmosphere = sulfuric acid = falls as acid rain
- fossil fuels and waste material burnt = releases gas called sulfur dioxide
- OZONE DEPLETION
- CFCs = chlorofluorocarbons = aerosols, fridges, air conditioning units and polystyrene foam
- they break down the ozone in the upper atmosphere
- allowing harmful UV rays to reach the earth surface
- exposed to UV rays = increase in skin cancer
- Autralia has high levels of skin cancer bcuz its under an ozone hole
- increase in UV rays might kill plankton in the sea
- ving a massive effect on the sea ecosytem
- fish levels may drop
- fish levels may drop
- ving a massive effect on the sea ecosytem
- increase in UV rays might kill plankton in the sea
- Autralia has high levels of skin cancer bcuz its under an ozone hole
- exposed to UV rays = increase in skin cancer
- allowing harmful UV rays to reach the earth surface
- they break down the ozone in the upper atmosphere
- CFCs = chlorofluorocarbons = aerosols, fridges, air conditioning units and polystyrene foam
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