Rio's Environmental Opportunities And Challenges Flashcards

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1
Q

Water Pollution

A

Guanabara Bay highly polluted
• major threat to wildlife
Commercial fishing has decreased by 90% in last 20 years
Could damage tourism by affecting beaches
Many of 55 Rivers flowing into the bay a heavily polluted
Run offs from open sewers in favelas
Over 200 tonnes of raw sewage and 50 tonnes of industrial waste pours into the bay everyday

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2
Q

Water pollution

Solutions

A

Overseas aid been used to reduce sewage in the bay
12 new storage systems have been built since 2004
• US $68 million
Ships are fined for discharging fuel into the bay illegally

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3
Q

Waste Pollution

A

Worst waste problems are in favelas
Built on steep slopes with few roads
• difficult access for waste collection lorries
Most waste dumped
Causes diseases like cholera and encourages rats

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4
Q

Waste Pollution

Solutions

A

Power plant setup using methane gas from rotting rubbish
Consumes 30 tonnes of rubbish a day
Produces enough electricity for 1000 homes

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5
Q

Percentage of commuters who take transport

A
60% car
30% bus
5% metro
3% rail
2% cycle/walk
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