Environmental issues of urban change
- Created by: Jake Robertson
- Created on: 05-05-13 10:01
View mindmap
- Environmental issues of urban change
- Environmental issues of urban change
- Atmospheric pollution
- Traffic congestion
- Water pollution
- Urban dereliction
- Waste disposal
- Atmospheric pollution
- Issues in developing areas, particularly industrialising cities
- Measured in ppm of particulates less than 10 micrometers big
- WHO syas anything over 160 ppm is a health risk
- Caused by industry, poor transport, and temperature inversion.
- Air pollution in Dhaka
- Worse than Mexico City and Mumbai
- Average ppm is higher than WHO guidelines
- 8% of children and 16% of adults have respiritory problems
- Brick manufacturing contributes 30%
- 100 new vehicles on roads each day
- 700000 rickshaws, of which only 75000 are legal
- Conjestion due to unplanned road excavation
- London
- Levels reduced in last 50 years
- 1956 clean air act
- De-industrialisatio
- Coal not used as widely
- Laws on vehicle emissions and low emissions zone
- Water pollution
- UN says that in the worlds poorest countries, people have access to 30 litres of water or less per day. The minimum is considered as 50
- Dhaka
- Illegal dumping of waste in rivers
- Inadequate sewage systems
- Industry dumps waste and chemicals
- Lack of requlations and laws
- Lack of infrastructure
- London
- 95% of properties have piped sewage systems, rest have sceptic tanks
- All dwellings have safe piped water
- Main issue is water consumption
- Driest part of the UK
- London aquifwer is depleting
- Thames pollution levels have dropped
- Waste disposal
- Dhaka
- Inadequate waste disposal
- 3.5 million tonnes of MHW per year
- One quarter of MHW gets dumped on roadsides, rivers and unused land
- London
- 3/4 of waste is exported to landfill sites in southeast
- 500 collection vehicles, 18 lanfilss, 2 incinerators, 23 recycling centres
- 4.4m tonnes of MHW per year
- Landfilss create methan
- Dhaka
- Dereliction
- De-industrialisation
- Lack of political will or monay from authorities
- Decentralisation of industry
- London
- Mainly East London following de-industrialisation
- Recent regeneration
- Aims for brownfield evelopment
- Dhaka
- Lots of derelict land
- Mostly redundant tanneries
- Little investment in regeneration
- Many derelict sites becoming occupied by squatters
- Used as illegal rubbish dumps
- Environmental issues of urban change
Similar Geography resources:
Teacher recommended
Teacher recommended
Comments
No comments have yet been made