Ecology sustainable development

1
Ecologysustainable development

• by chow hei man 6b04
• ng yin kwan jay 6b14

2
Definition

• improving the quality of life while living
  within the earths carrying capacity
• development that meets the needs of the present
  without compromising the ability of future
  generations to meet their own needs

3
Principles

• 1, each generation enjoys the same standards of
  living
• 2, everyone is equal
• 3, each country should bear the same
  responsibility

4
Man-made damage on the environment

• 1, urban expansion
• -reclamation
• -building new towns
• -developing low-density residential areas
• 2, pollution problems
• -e.g. air, noise, water pollution

5
Man-made damage on the environment

• 3, filling fish ponds, develop hill slopes, cut
  down trees
• -damage wildlife habitat and threaten the
  survival of animals
• 4, flooding
• -building houses and roads in rural areas
  disrupts the drainage of water
• -sand and mud may be washed
• into channels or streams during
• construction work, causing
• blockages.

6
General action for sustainable development

• 1, conservation of timber
• ?forest management
• -using fibers in fast-growing plants for the
  manufacture of paper
• -creating green belts for prevention of fire
• -controlling deforestation
• ?afforestation
• ?reduction in consumption
• -recycling
• -using timber more efficiently
• -switching to the use of other energy sources

7
General action for sustainable development

• 2, conservation of fishery resources
• -elimination of using heavy bottom-trawl gears
  in
• fishing to reduce the damage of bottom
  habitat
• -setting up marine protected regions
• -setting limits on catches

8
General action for sustainable development

• 3, sustainable use of renewable
• resources
• -e.g. water resources, timber and
• land resources
• 4, level of waste should be kept within
  absorptive capacity at the local and global
  levels
• -e.g. the level of green house gases, sewage,
  solid waste, etc

9
General action for sustainable development

• 5, minimizing use of non-renewable resources
• -e.g. oil, gas, coal, minerals
• use renewable energy resources instead of
  non-renewable energy resources

10
Conflicts between economic development and
conservation

• 1, economic growth increase the consumption of
  natural resources
• e.g. fuels like
• coal and natural gas
• 2, increased production of wastes

11
Conflicts between economic development and
conservation

• 3, deforestation for urban purposes
• 4, increased amount of pollutants

12
cost-benefit analysis short-term and the
long-term

• impact on the environment with the estimated
  economic benefits for the society
• the possible solutions are
• 1,compromise between conflicting parties in such
  a way that econ. develop. progresses with minimum
  damages to the natural environment
• 2,diverting economic development to the
  improvement of environmental quality.

13
Policy of the HK government

• goals
• 1, looking after the needs of people in need
• 2, effective use of resources
• 3, reduction in resource consumption
• 4, reduction in waste and pollutants

14
Policy of the HK government

• work done
• 1, building public housing
• 2, improving building regulations
• e.g. urban renewal of the
• inner city like mongkok
• 3, urban planning
• 4, development of public transport
• network

15
Policy of the HK government

• 5, energy policy
• -developing renewable energy
• sources
• 6, water consumption policy and
• sewage policy
• 7, waste collection and management
• 8, afforestation

16
Policy of the HK government

• 9, education
• 10, designated areas which have high ecological
  and conservation valve into different zones
• -green belts, nature reserve, marine reserve,
  area with special scientific interest.

17
Personal responsibility

• 1, save water
• 2, save energy
• 3, separate waste
• 4, grow plant
• 5, use public transport
• 6, bring your own bag
• -refuse plastic bags from shops or supermarkets
• 7, reduce consumption

18
Advantages of sustainable development

• 1, Reduced waste and its resultant economic
  benefits
• 2, improved health and reduced economic burden on
  health care
• 3, more efficient land use and improved amenities
  in natural and open area
• 4, the opportunity to promote Hong Kong as a
  clean, safe and advanced world city at regional
  and international level
• 5, increased community interest and improving the
  quality of life