Environmental awareness by Green Yatra


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Please check out some of the important Environmental Facts, Do share and spread the Green Voice.

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Environmental awareness by Green Yatra

  1. 1. Environmental Awareness Payel Bera ID: GYV11-371 Environmental Awareness By: Payel Bera ID: GYV11-371
  2. 2. What is Environment ?? <ul><li>Environment means our surrounding </li></ul><ul><li>Environment includes </li></ul><ul><li>air </li></ul><ul><li>water </li></ul><ul><li>soil </li></ul><ul><li>Biological environment- flora, </li></ul><ul><li>fauna </li></ul><ul><li>noise </li></ul><ul><li>aesthetics </li></ul><ul><li>cultural, socio-economic, </li></ul><ul><li>political conditions </li></ul>“ Environment” Photo. Gev.com 18 April. 2011. 30 Aug. 2011. <http://www.gev.com>
  3. 3. Why Care for Environment ?? <ul><li>It affects our ability to live on Earth </li></ul><ul><li>It affects our health, our economy, our existence </li></ul>“ Environment” Photo. CTSonline.ca 30 Aug. 2011. <http://www.CTSonline.ca>
  4. 4. Threats to Environment <ul><li>Air pollution </li></ul><ul><li>Tonnes of pollutants dumped in air by industries, vehicles </li></ul><ul><li>Green coverage decreasing day by day </li></ul>
  5. 5. Air Pollutants <ul><li>CO 2 </li></ul><ul><li>CO </li></ul><ul><li>Nitrogen oxides (NO x ) </li></ul><ul><li>Sulfur oxides </li></ul><ul><li>Volatile Organic Compounds (VOCs) </li></ul><ul><li>Particulate Matter </li></ul><ul><li>Toxic metals- lead, cadmium </li></ul>
  6. 6. Effects of Air Pollution <ul><li>Dust Particles of small sizes damages lungs– causing respiratory symptoms like cough, wheezing, asthma etc </li></ul><ul><li>Excess Carbon Monoxide can cause death </li></ul><ul><li>Excess CO 2 , CH 4 (Green house gases) </li></ul><ul><li>causing Global warming </li></ul>Polar ice caps melting Higher sea levels  floods “ Environment” Photo. Gabicilla.blogspot.com 19 Oct. 2011. 30 Aug. 2011. <http://www.gabicilla.blogspot.com> “ Flood” Photo. Southasia.oneworld.net 26 June. 2009. 30 Aug. 2011. <http://www.southasia.oneworld.net>
  7. 7. Contd <ul><li>Cancer causing potential of diesel exhaust is very high </li></ul><ul><li>Poly aromatic hydrocarbons (PAHs) and particulate matter of diesel exhaust  10 times more potent to cause mutation </li></ul><ul><li>NOx reduces oxygen carrying capacity of blood, can cause cancer, emphysema </li></ul><ul><li>NOx  Ozone  respiratory problems </li></ul>
  8. 8. Protect Environment (What can we do?) <ul><li>Preventive action is the best </li></ul><ul><li>Spread the awareness among people </li></ul><ul><li>Conduct epidemiological studies– how air quality affects health???????? </li></ul><ul><li>Pressurize governments for proper policies for e.g. </li></ul><ul><li>- prevent dieselization of private vehicles </li></ul><ul><li>Promote usage of bicycles </li></ul>“ Bicycle Cycling” Photo. bicyclecycling.com 30 Aug. 2011. <http://www.bicyclecycling.com>
  9. 9. Contd. <ul><li>Zoning and transport infrastructure planning </li></ul><ul><li>Introduction of cleaner engines and cleaner fuels like CNG (compressed Natural Gas) </li></ul><ul><li>Stricter regulations for vehicular and industrial emissions and regular compliance checking </li></ul><ul><li>Stop burning of wastes </li></ul>
  10. 10. Water Pollution Stop misuse and wastage of water!!!
  11. 11. Causes Dhobi Ghat on river plastics and garbages dumped into river “ Washing of our sins and clothes at Ganges” Photo. indianimages.com 30 Aug. 2011. <http://www.indianimagescom> “ Rag pickers collect plastic wastes on the banks of river Yamuna” Photo. 2space.net 19 Oct. 2009. 30 Aug. 2011. <http://www.2space.net>
  12. 12. Contd. Clay idols discarded into river Human corpse discarded into river “ Human corpse” Photo. Forums.earthnetworks.com 30 Aug. 2011. <http://www.forums.earthnetworks.com> Ecofriends.org 30 Aug. 2011 <http://www.ecofriends.org>
  13. 13. Oil Spills A bird covered with oil Oil spill cleaning process “ Oil Spill” Photo. En.wikipedia.org 30 Aug. 2011. <http://www.en.wikipedia.org> Anand, Rajat “Oil Spill” Photo. Globalcrisisnews.com 22 May. 2010. 30 Aug. 2011. <http://www.globalcrisisnews.com>
  14. 14. Water Pollutants <ul><li>Heavy metals--- chromium, nickel, copper etc </li></ul><ul><li>Inorganic chemicals– acids, alkalis, inorganic salts </li></ul><ul><li>Nutrients- Nitrogen, Phosphorus </li></ul><ul><li>Disinfection byproduts– trihalomethanes etc </li></ul><ul><li>Microorganisms </li></ul>
  15. 15. Effects <ul><li>Cadmium causes Itai Itai disease </li></ul><ul><li>Mercury causes Minamata disease </li></ul><ul><li>Microorganisms causes diseases like dysentry, diarrohea </li></ul><ul><li>Excess nutrients cause eutrophication </li></ul>Decreases dissolved oxygen concentration Affects aquatic life Itai Itai disease Minamata disease Thijssen, Sandy.“Itai itai disease” Physiology.be 30 Aug. 2011 . <http://www.physiology.be> Shareef, Rishan M..“Minamata disease” mrishaanshareef.blogspot.com 30 Aug. 2011. <http://www.mrishaanshareef.blogspot.com>
  16. 16. Soil Pollution It is the degradation of Earth's land surfaces by human activities and misuse of land resources.
  17. 17. Causes <ul><li>Haphazard disposal of urban and industrial wastes </li></ul><ul><li>Exploitation of minerals </li></ul><ul><li>Harmful agricultural practices </li></ul><ul><li>Population increasing </li></ul>Higher food demand Intensive agriculture Forest converted to agricultural fields monoculture Excessive use of fertilizers, pesticides, herbicides
  18. 18. Contd. <ul><li>Urbanization </li></ul>Construction, destruction of forests Informal settlements, poorly maintained sewage pipes Construction debris More land required for landfill sites “ Urbanization” Photo. Lv-staff.francisparker.org. 30 Aug. 2011. <http://www.blog.newscollective.com>
  19. 19. Effects <ul><li>Can seriously disrupt the balance of nature </li></ul><ul><li>Pesticides can damage crops </li></ul><ul><li>Some pollutants can get into our systems indirectly from eating vegetables grown in contaminated soil. </li></ul><ul><li>Reduced aesthetic appeal </li></ul>
  20. 20. What can we do? <ul><li>Three R– Reduce, Reuse, Recycle </li></ul><ul><li>Collect degradable and non degradable waste in separate bins </li></ul>
  21. 21. Contd. <ul><li>Soil remediation for polluted soil </li></ul><ul><li>Plant more trees </li></ul>Afforestation reduces soil erosion
  22. 22. Worst Environmental disasters <ul><li>1)Bhopal Gas Tragedy </li></ul><ul><li>Dec 2, 1984 </li></ul><ul><li>45 tonnes of poisonous Methyl isocyanate escaped from Union Carbide Plant </li></ul><ul><li>Thousands died within hours </li></ul>Sinha, Arpita. “Justice still eludes Bhopal gas survivors” Photo. Blog.newscollective.com 14 June. 2010. 30 Aug. 2011. <http://www.blog.newscollective.com>
  23. 23. 2) Chernobyl Disaster <ul><li>April 26, 1986 </li></ul><ul><li>One reactor of chernobyl power plant of Ukraine exploded </li></ul><ul><li>Massive radiation sent into the atmosphere </li></ul>Loup, Kibiloki. “Chernobyl Disaster” Photo. Electrodes.wordpress.com 12 July. 2009. 30 Aug. 2011. <http://www.electrodes.wordpress.com>
  24. 24. 3) Kuwait Oil well fire <ul><li>After Gulf War around 600 oil wells were put ablaze intentionally </li></ul><ul><li>They burnt for 7 months </li></ul><ul><li>Smoke, soot, black rain </li></ul><ul><li>Lakes of oil created </li></ul><ul><li>Animals died </li></ul>“ Kuwait oil well fires 1991” Photo backwoodsweb.com Aug.1991. 30 Aug. 2011. <http://wwwbackwoodsweb.com>
  25. 25. Sustainable Development <ul><li>Development in a way so that resources are able to meet the demands of future generations </li></ul>“ Sustainable Development” Photo. Sthelens.gov.uk. 30 Aug. 2011. <http://www.sthelens.gov.uk>
  26. 27. About Green Yatra   Green Yatra is a registered non-profit trust and a non-government organization (NGO) dedicated to the protection and conservation of our Mother Earth and it’s environment. Green Yatra was started and run by individuals who share a strong love and passion for protecting and respecting our only source of life—Mother Nature. visit us @: www. greenyatra.org Contact us @: [email_address] Be with us in twitter:  https://twitter.com/Greenyatra Join us face to face us in facebook:  http://www.facebook.com/greenyatra