• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Water - notes on problems and politics of watere supply in the world.

Extracts from this document...

Introduction

Water Conflicts Water = Fundamental human need. :( Demand supply doesn't match! Potential for local and international conflict is Future water supply is in doubt due to unsustainable use and climate change. Vulnerable population = suffer most! The Hydrological Cycle Closed system --> goes round and round, never any more or less in the system. Water Crisis: * Amount of water in world is limited. No infinite supply! * Water = 2/3 of earth's surface. Most too salty = unusable. * 2.5% not salty but unreachable (in glaciers and ice caps) Fresh water - 20% in remote areas and rest comes as flood water. * Next 2 decades usage will by 40% * 70% used in agriculture. 2020 need 17% more to feed the world. * 1 in 5 worldwide cant access drinking water * High child death due to hunger or diseases. Reasons for the water crisis: 1. Growing population 2. ...read more.

Middle

Water supply is controlled by climate factors!! Water supply is a balance between precipitation totals and evapotranspiration potentials and is controlled by aquifers. Water pollution! 2 types: Water Bourne = Typhoid and Cholera -> oral face contamination due to lack of sanitation Water washed diseases: = Scarce water (drinking and cooking) 1st demand Washing (leprosy) and Irrigation (luxury) 2nd demand Mosquitoes --> malaria, dengue fever, river blindness (water is a breeding ground) Not just about quantity but the quality of water! Ground water = pollution less obvious than surface water --> aquifers become polluted, feed surface water = Salinisation due to over abstraction. Salinisation = the process whereby soluble salts accumulate within the soil. ''Dilutions is the solution to pollution!'' With over 8 billion people on the planet, disposing of sewage waste is a major problem. In developing countries, many people still lack clean water and basic sanitation (hygienic toilet facilities). ...read more.

Conclusion

* South west of Guwahati city. * It is a large natural wetland having great biological and environmental importance. * It's the only water storage basin for the city. * Agricultural activates and farmers depend on the water lake. * Designated as a ramsar site (conservation of the land) Deepor Beel is on a flood plain --> when it floods water can flow into it. Toxico, Ecuador One of the most diverse regions in the world. 3 distinct regions (minus Galapagos):- 1. El Oriente --> Amazon part of rainforest in the east. 2. La Costa --> Western Pacific coast. 3. La Sierra --> Andes Mountains, centre of country. Operations up to 1992, Texaco spilled 17 million gallons of oil from pipeline and dumped 18 million gallons directly into the rainforest, contaminating 1,700 square miles leaving extremely dangerous conditions. Oil was dumped into pits around the jungle, water spread into the rivers. Soil and rivers are so polluted that nothing grows, fish are all dying and drinking water is now poisoned. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Environmental Management section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Environmental Management essays

  1. 'What problems do urban planners face? How are they to be solved?

    The RSA donated grants to attract new business and help to decrease levels of unemployment in order to stimulate economic recovery which would in turn induce a demand for local business, which would generate new employment and cause a positive multiplier effect.

  2. What are the effects of Deforestation?

    Under these conditions, atmospheric nitrogen and hydrogen can be combined to form ammonia. This can be used directly as a fertilizer, however, it is further processed into more useful forms such as urea and ammonium nitrate. The ability to fix nitrogen is found only in certain bacteria.

  1. A speech on water scarcity in Australia

    The world's largest plant, Jebel Ali, in the United Arab Emirates, produces over 300 million cubic meters of water per year, or roughly 2500 gallons per second. In 2007, Premier Alan Carpenter opened the Kwinana Desalination plant. Said plant now supplies Perth with 45 gig litres of fresh water, which equates to roughly 20% of Perth water needs.

  2. A report concerning new business development in the local area, which is the Paddington ...

    The developers also aim to, where possible, reduce, re-use and recycle waste and ensure that all waste is disposed of responsibly. Additionally, they continually reduce water consumption and, where it's viable - recycle water. Furthermore, the developers avoid the use of hard woods and other materials that derive from, or impact on, sensitive and non-sustainable ecological resources.

  1. This investigation focuses on an area of the west bank of the medina estuary ...

    Located pie charts in proportional circles. Key question three- How does the environmental quality vary along the transect? Is the management suitable for an environmental area? What Data is required and why? How is data collected? Sampling method? Limitations and how they are resolved.

  2. Environmental Problems.

    fuel, not coal or wood * Cars can be fitted with catalytic converters, use of un-leaded petrol * Movement from private transport to public-this is an example of green transport planning. This will reduce the release of harmful chemicals such as Carbon Monoxide (which can attach to the red blood

  1. Management of woodland area.

    To identify the trees I will look at their features such as leaves and trunk of the tree there are not many type of trees in the Forest only 4 so this is what will make the identification of the trees easy.

  2. Canadas water, written by Martin OMalley and Angela Mulholland, mainly talks about how Canada ...

    Also, desalination could possibly be a great way for people everywhere in the world to have huge supplies of drinkable water with 97% of the world?s water being undrinkable because of the salt. Seeing how we have lasted for thousands of years with 3% of the Earths water then imagine how long we could last with 97% of it.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work