LOCAL AND GLOBAL ENVIRONMENTAL PROBLEMS

POLLUTION

• Air, water and soil requires millions of years to recover
• Industry and cars 1.
• Heavy metals, nitrate and plastic.

WATER POLLUTION

• Oil spill
• Acid rain
• Urban runoff

AIR POLLUTION

• Industries
• Factories
• Combustion of fossil fuels
• Industrial waste cause soil waste

GLOBAL WARMING

• Rising temperatures
• Polar ice caps
• Rise sea levels
• Unnatural climate changes.

OVERPOPULATION

• Reaching unsustainable levels
• No enough water, fuel and food.

NATURAL RESOURCES DEPLETION

• Fossil fuel consumption gases
• Responsable of Global Warming

CLIMATE CHANGE

• Rise in global warming
• Fossil fuel
• Gases

LOSS OF BIODIVERSITY

• Many species are decimating
• Human activities threatens

DEFORESTATION

• Lost because of the demand for food, shelter and cloth.
• "Cleaning the green and make the land available"

OZONE LAYER DEPLETION

• Chlorine and bromine
• Cause hole in the ozone layer

ACID RAIN

• Release sulfur dioxide and nitrogen oxides
• Affects human, wildlife, and aquatic species.

URBAN SPRAWL

• Migration of population to low density rural areas

PUBLIC HEALT ISSUES

• Dirty water, biggest problem
• Respiratory disease
• High temperatures, virus fast

GENETIC ENGINEERING

• Genetic modificacion

MEXICO

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• Air pollution
• 3.5 millions is because of cars
• Worst in winter
• Hoy no se circula
• Three thousands of monarch

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• 5 lakes that help Mexico City
• The last wetland is Xochimilco
• In 2050 fishless
• Acid water cause osteoporosis and dissolving animal bones

5. The 75 to 93% has some type of contamination
6. Natural hazards are threaten.

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• 50% of the wood transported is illegal
• Mahogany is being logged

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• Not real protected areas
• 25% of all the trash is treated.

THREATENED

• 118 mammals
• 323 plants
• 61 fish
• 42 amphibians
• 112 reptiles
• 112 birds

ENDANGERED

• 122 plants
• 45 mammals
• 56 birds
• 16 reptiles
• 7 amphibians
• 59 fish