about pollution present status role of environment education...•develop alternative sources of...
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Applications of environmental Science/Engg. in various
engineering disciplines, environmental ethics,
sustainable development,
• About Pollution
• Present status
• Role of Environment Education
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TODAY’S PROBLEMS
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TYPES OF POLLUTION
Every day, earth becomes more and more polluted.
• Air pollution fills our lungs with deadly substances.
• Water pollution is rapidly eradicating what little freshwater we have left.
• Land pollution is causing once-fertile lands to become little more than deserts
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Awareness about the following
issues are needed.
• Difference between sustainable development and environmental sustainability.
• Unique definition for sustainable development
• Will depending on Science and Technology alone deliver environmental sustainability?
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Sustainable development and
environmental sustainabilityDefinition for sustainable development :
“ Development that meets the needs of the
present without compromising the ability of future
generation to meet their own needs”
• The resource base is not inexhaustible
• sustainable development is economic development
• Without environmental sustainability it is impossible to achieve sustainable development.
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Unique definition for
sustainable development:An indicator is needed
• for comparing the relative progress made by
different countries towards sustainable
development at a given time or
• for measuring progress made by a given country
or region over time.
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• operational definition must be based on the reduction in consumption of goods and services by the affluent within and between nations.
• The production and consumption must be curbed to achieve even a modest degree of sustainable development and determined efforts must be made to reduce consumption through formal education
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Science, technology and environmental
sustainability
Role of science and technology in delivering environmental sustainability:
• sustainable development and global environmental sustainability achieved not only with the application of science and technology alone. Example : USA
• progress towards sustainable development is dependent upon a fundamental change in societies’ attitude to nature and the environment
• to bring about this change of attitude is education in moral and ethical philosophy. In the young minds it is essential to reinforce the environment-respecting moral values.
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Can science and technology deliver
sustainable development
• impacts of science and technology
• turnout to be good or bad is determined by their
environmental impacts.
• economic development through industrialization
• World Bank and International Monetary Fund
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Benefits of Science
• paying a high ‘price’ for it in terms of
environmental degradation
• this has serious implications for future
generations.
• science and technology can help the process of
sustainable development in a limited way but
they cannot deliver them.
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NEED FOR ENVIRONMENTAL
EDUCATION• All major natural resources in the country are in
grave danger of irreparable damage.
• A society cannot survive if its natural resources are rendered unfit for use by its people.
• The only hope of salvaging this grave situation is by making the young aware that they need to proactively begin to protect the environment they will inherit.
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NEED FOR ENVIRONMENTAL
EDUCATION (Contd.)• The moral and ethical education for
changing people’s attitude
• To protect children living in polluted regions, environmental education represents a relevant means of prevention
• It is need for the hour to propose the environmental education with the essential elements of moral philosophy.
• For conceptual change
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Essential components Of
The environmental education
• Alerting the public to the need to achieve global
sustainable development and the likely
consequences of failing to do so.
• Focusing the educational curricula for global
sustainable development by incorporating the
know – how and skills and also the moral
imperatives.
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Curriculum developmentReasons for including moral education in Engineering Curricula:
• As future planners, designers, builders and decision makers , students shoulder special responsibility in protecting the integrity of nature and the natural environment.
• Human beings are rational creatures who have an innate need to rationalize all their actions and thoughts .Moral philosophy provides this rationale, and by doing so gives us our humanity.
• Albert Einstein's statement “Science without philosophy is just mechanics”.
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Criteria for curriculum
development:• The focus must be on reducing consumption
with a view to achieving sustainability. The content should be holistic, covering all essential aspects.
• The content should comprises two strategic elements:
The ‘end- of- the pipe’ element
based on science and technology to deal
with pollution already produced.
The ‘ before-the-pipe’ element
concerned with pollution prevention and
reduction.
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MAJOR AREAS TO BE COVERED
Curriculum units and materials have to be
developed in five areas:
1. Air Quality
2. Ecosystems & Biodiversity
3. Energy Resources
4. Land Use
5. Water Quality
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CURRICULUM
• Air - acid rain, indoor air pollution, ozone, radon
• Conservation - energy, environmental stewardship, natural resources, pollution prevention
• Ecosystems - ecology, endangered species, global warming, habitats, watersheds
• Human Health - drinking water, fish advisories, indoor air, lead, ozone depletion, pesticides, radon, smog
• In Your Neighborhood - databases, local issues, maps
• Waste & Recycling - garbage, household, hazardous & solid waste, landfills, superfund cleanups, trash
• Water- drinking water, ecosystems, lakes, oceans, rivers, water pollution, watersheds
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IMPORTANCE OF WATER
RESOURCES• According to the latest census of India statistics, only 38
percent of the 192 million households in India enjoy the privilege of grossly under-priced piped water supply.
• “Water is a resource which is much too free.
• Under-pricing of this vital resource has ironically put it beyond the reach of the poor majority.
• A resource conscious society should carefully calculate the cost — and price — of its natural resources.
• Since we haven’t done so, there’s a lot of pilferage and waste.
• Water should be a costed resource, only then will we use and save it as a precious resource.
• Water management should receive top priority as environment education is introduced in schools and colleges
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• Though children and youth in rural India are physically closer to nature, they seldom have access to natural resources to satisfy their basic needs.
• For instance though they may live beside a river, it’s rare for rural youth to have experienced piped water.
• Instead river water is transported across hundreds of miles to cities. Continuous mismanagement and waste of water resources and years of large-scale deforestation has transformed India from a once water-rich society into a water-insecure nation.
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The people below are taking care of their
home and car, but they are doing many
things that can damage the environment,
especially our water.
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Management of waste
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Today’s status of Environmental
Education• While environment education is a compulsory subject in
schools, Children are just mugging another subject —environment studies.
• For example the prescribed curriculum won’t help a student in getting a mound of rubbish outside a house or school cleared.
• Students are being taught mere facts and figures.
• We have to make our children to realise that they are part of the problem, and therefore they have to be part of the solution
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Understanding environmental
behavioural change through
communication• Developing a ‘responsible environmental behaviour’
became one of the tasks of environmental education
• The ‘responsible environmental behaviour’ is defined as “ the whole of actions of an individual within the society, that takes into account, in a conscious way, the perennial and harmonious relationship between these actions and environment”.
• Communication is a way of approaching and explaining processes in society and it can be defined as “ the exchange processes among the individual and group members of a given society”.
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Creating Environmental Awareness
• Global Learning and Observations to Benefit the Environment (GLOBE)
• (NASA), USA. Over 50,000 schools all over the world, of which 86 are in India, are enrolled in the GLOBE programme.
• A School in Lucknow, they have set up a small weather monitoring station in their school. Children use the station to maintain temperature and cloud charts, measure rainfall, gather weather-related information and feed it into the GLOBE website. The data is then used to forecast worldwide weather trends and to develop environment protocols,”
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Ethics
Default Human nature:
• Courage
• Devotion
• Sincerity
• Honesty
• Purity
• Patience
• Love
• Kindness
• Character
• Decision making mind
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Default nature of environment:
• Regeneration of life giving elements like
carbon, oxygen, nitrogen, etc and water
through biogeochemical cycles
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Default nature of environment…
Various self-purification processes of
environment are:
• Pollutants are mixed, diluted, and
dispersed in water bodies and in air
• Organic matter decomposed into stable
compounds by microorganisms
• Oxidation and reduction turn the toxic
pollutants into simpler compounds
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• Solids carried with the water gets deposited to the sediments, thus cleansing the river
• Role of sunshine as cleansing agent
• Role of land as a filter for the purified ground water
• Absorption, adsorption, combustion and condensation are other processes that aid in self purification
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Acquired human nature:
• Corruption and dishonesty
• Irresponsibility and careless attitude
• Greed, selfish and purely commercial
interests
• No commitment to society and no respect
to values
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This has led to…
• Deforestation
• Soil infertility
• Loss of irrigation land
• Overexploitation of mineral resources
• Unscientific disposal of domestic and industrial wastes
• Unhygienic and unsanitary conditions
• Climate change
• Energy crisis
• Inadequate resources
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Net result: “environmental stress”
• Carrying capacity: to support maximum
number of living organisms in a given time
and place such that utilization of resources
does not exceed the rate of replenishment
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What are the signs of
environmental stress?
• Discolouration and premature dropping of leaves
• Poor quality of drinking water (turbid, coloured)
• Lowering of ground water table
• Algal growth in lakes (due to excess N&P)
• Poor visibility due to dust and smoke in the atmosphere
• Oil and floating matter in water bodies
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Signs of environmental stress…
• Stagnation of water and open drains
• Dissolved oxygen depletion in rivers
• High flouride / arsenic in water leading to
softening of bones in human beings
• Discolouration and disintegration of
materials (due to acid fumes)
• Rapid extinction of species
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• Unauthorized dumping of garbage in
residential areas
• Infertile top soil (due to water logging,
salinity, erosion)
• Loss of agricultural land (due to
urbanization)
• Indiscriminate disposal of effluents
• Reduction of crop yield etc
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Therefore…
• It is wise to recognize these symptoms and prevent further deterioration. Once deteriorated, recovery is almost impossible.
• When resources depleted / destroyed, populations starve and decrease in numbers. A number of species of plants and animals are extinct. Finally mass extinction.
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Remedy: Sustainable development
• Conserve, preserve, protect historic,
heritage, cultural monuments and
locations
• Prevent wastage of food products
• Recover, recycle, and reuse materials like
paper, metals
• Save energy
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• Develop alternative sources of energy
• Encourage eco-friendly products
• Grow trees
• Prefer mass transportation systems to
individual vehicles
• Supplement, complement and support
social welfare programmes
• Adopt simple living
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What are government’s initiatives?
• River Ganga purification action plan
(Ganga Action Plan- GAP)
• Removal of sediments from lakes
• Supplying clean water to fluoride affected
areas
• Interlinking of rivers
• Afforestation, social forestry, use of
biofertilzers, integrated pest management
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• Wildlife conservation projects for tiger, elephant, crocodiles etc
• Conservation of wetlands at number of places: Chilka (Orissa), Sambhar (Rajasthan), Loktak (Manipur), Harike (Punjab)
• Development of National parks at Kaziranga, Manas, Nandadevi (Uttaranchal), Sunderbans
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• Watershed management and water
harvesting methods
• Environmental policies and laws
• Environmental Education
• Public participation and awareness
• Involvement of NGOs
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Initiatives at International level
(United Nations)
• To ban use of CFCs
• To reduce gaseous emissions like SOx,
NOx,
• Emphasize afforestation
• Ensure all safety measures are taken
while disposing hazardous wastes
• Conserve biodiversity and protect
endangered species
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International initiatives
• Encourage organic fertilizers and avoid
chemical pesticides
• Safeguard marine ecosystem….
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The Environment and
Development
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The Environment and Development: Outline
Basic Issues regarding environment and
development
Economic Models of the environment
Rural development and environment
Poverty and environment
Urban development and environment
Policy options in developing and developed
countries: Case Study on debt swaps
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The Environment and Development: Basic
Issues
Sustainable development and environmental
accounting
Population, resources, and the environment
Poverty and the environment
Growth versus the environment
Rural development and the environment
Urban development and the environment
The global environment
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Poverty and Environment
Poverty is viewed as encompassing both
income and non-income dimensions of
deprivation, lack of empowerment, and
extreme vulnerability to external shocks
Environment refers to the living and non-living
components of the natural world, and to the
interactions between them, that support life on
earth. The environment is a provider of goods
and services and is also a recipient of waste
products
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Poverty and Environment: Concerns
Poverty and environment linkages are dynamic
and context-specific
Rural poor are concerned with secure access
to and the quality of natural resources
Urban poor are concerned with access to
clean water, energy, sanitation, and security of
housing
Poor women are concerned with safe and
close access to potable water and energy
supplies
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Rural Poverty/ Development and
Environment
Rural poverty and environmental degradation
interact leading to
Soil erosion and
Desertification
Deforestation
and loss of
livelihood
Fuel shortages, lower
agricultural productivity,
occurrence of natural
disasters
Loss of ground
water
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Urban Poverty/ Development and
Environment
Urban poverty causes environmental
degradation in two ways:
– Industrialization and urban air pollution
Environmental Kuznets curve
Role of taxation in controlling pollution externalities
– Congestion and availability of clean water and
sanitation
Productivity losses
Financial feasibility of providing clean drinking water and
sanitation for all
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Poverty and Environment: LinkagesPoor people are the main victims of a bad environment– Poor people are more vulnerable to the loss of biological
resources
– Extreme environmental stress can force the poor to migrate
– Inequality reinforces environmental pressure
– Government policies can create or reinforce vicious cycle of poverty-environment interaction
Poor people are agents of environmental degradation (poverty and exploitation) – Poor people have shorter time horizons, which
exacerbates environmental degradation
– Poverty increases risk-aversion and discount rates,
aggravating environmental pressure
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Poverty and Environment : Linkages
Incomplete property rights reinforce the vicious
poverty-environment circle
Population pressure exacerbates both poverty
and environmental degradation
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Links between the Environment and Millennium
Development Goals
Goal Links to environment
Eradicate extreme
poverty and hunger
Livelihood strategies & food security
depend on healthy environment
Achieve universal
primary education
Time spent colleting fuel and water by
children
Reduce child
mortality
Water-related diseases kill 3 M people in
developing countries
Improve maternal
health
Indoor air pollution and carrying heavy
loads
Combat major
diseases
1/5th of the total burden of disease in
developing countries may be associated
with environmental risk factors
Ensure environ
sustainability
Environ degradation must be reversed
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Policy opportunities to reduce poverty
and improve environment
Improve governance
– Integrate poverty-environment issues into national
development frameworks
– Strengthen decentralization
– Empower poor and marginalized groups
– Address gender dimensions
– Strengthen anti-corruption measures
– Reduce environment-related conflict
– Improve poverty-environment monitoring and
assessment
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Policy opportunities to reduce poverty
and improve environment
Enhance the assets of the poor
– Strengthen resource rights of the poor
– Enhance poor’s capacity to manage environment
– Expand access to environmentally-sound and
locally appropriate technology
– Reduce environmental vulnerability of the poor
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Policy opportunities to reduce poverty
and improve environment
Improve the quality of growth
– Integrate poverty-environment issues into
economic policy reforms
– Increase the use of environmental valuation
– Encourage private sector involvement in
environmental management
– Implement pro-poor environmental fiscal reform
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Policy opportunities to reduce poverty
and improve environment
Reform domestic international and industrial policies
– Industrial emissions abatement policies
– Reform trade policies
– Make FDI more pro-poor
– Enhance the contribution of multilateral environmental agreements to poverty reduction
– Encourage sustainable consumption and production
– Enhance the effectiveness of development cooperation and debt relief
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Conclusion
• Effective policy must be implemented to curbconsumption by the affluent
• We need moral education to instill genuinelyenvironment respecting moral values in the youngstudent society.
• Conventional educational methodology is no longeradequate for the real needs of tomorrow
• Though there are definitional and implementation flaws,environment NGOs and activists need to be given creditand accolades for creating a nation-wide awareness ofthe crisis of environment deterioration.
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• Future student generation must acquire knowledge and skills in
technologies and keep pace with rapid advances in practically
in all areas.
• The communication perspective opens the door to another kind
of tools that environmental educators can use in order to
improve the educational practice.
• Minds on experience is also needed with Hands on
experience.
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THANK YOU