1. A gas that contributes to the greenhouseeffect by absorbing infrared radiation iscalled as a greenhouse gas or a GHG.The greenhouse effect is a process by whichthermal radiation from a planetary surface isabsorbed by atmospheric greenhouse gases,and is re-radiated in all directions.

2. In order, the most abundant greenhousegases in Earth's atmosphere are: Carbon dioxideWater vapor Methane Nitrous oxide Ozone CFCs 3. A gradual increase in the overall temperatureof the earth's atmosphere generally attributedto the greenhouse effect caused by increasedlevels of carbon dioxide, CFCs, and otherpollutants. 4. Industries rely heavily on fossil fuels for power.Combustion of fossil fuels releases carbon dioxide andwater. Carbon dioxide is a potent greenhouse gaswhich joins the other gases in the atmosphere toabsorb the infrared waves from the warmed earth -the greenhouse effect and therefore for globalwarming.Source : World Bank datasetAmount of green house gasses emitted 5. Sri Lankas Carbon Dioxide emissions amounts currently to about12,000 kilo tons (kt). Sri Lankas produces less than 0.1 percent of the worlds CarbonDioxide emissions.Source: Carbon Dioxide Information Analysis Center (CDIAC) 6. Yet, as the below figure shows, Sri Lankas Carbon Dioxide emissionshave grown considerably over time. The 2004 value is with 11,524 kt is more than three times the 1970value (3,593 kt).Source: World Bank (2008) World Development Indicators 2008 7. Energy[Fossil fuel & Coal](82.5%) Electricity (41.9%) Transportation (22.3%) Industry (15.7%) Other fuel combustion (2.6%) Agriculture (9.8%) Industrial processes (4.3%) Waste (3.2%) Other (0.2%) 8. Energy production in Sri- Lanka Hydro power sources consists of both larger government-owned projects, aswell as private small-hydro facilities.Thermal sources consists of diesel and all other fuel oil sources. 300MWofcoal-power was added to the grid from the Norocholai Coal Power Station, theonly coal power station in the country, in late-2011.Other renewable power sources consists of wind power, solar power, and bio-fuelssuch as biomass. Data from 2000- 2012 is given by the following table. 9. Transportation 10. Industry Rubber & Rubber Based Products(3.4%) Ceramic & Porcelain Products(3.2%) Textiles & Garments(2.4%) Chemicals & Plastic products(1.7%) Tea industry(1.4%) Footwear & Leather Products(1.1%) Ships & Boats repairing(0.6%)3.43.21.12.41.41.70.6Source: World Bank (2008) World Development Indicators 2008Rubber & Rubber BasedProductsCeramic & Porcelain ProductsTextiles & GarmentsChemicals & Plastic productsTea industryFootwear & Leather ProductsShips & Boats repairing 11. Sea level rise Adverse weather conditions Effects on agriculture and livestock Health Acid rain and Ozone layer depletion 12. Small islands possessing the danger of being drowned by sea. increased storm damage to coastal infrastructure more rapid coastal erosion 13. Heavy rainfall events have increased both in frequency andin intensity by about 20%. The frequency of droughts have increased throughout theworld. Rising temperatures make droughts more severeand/or widespread, and also lead to the earlier melting ofsnow packs, which can effect in problems in vulnerableareas. Hurricanes have increased both in power and frequency,coinciding with warming oceans that provide energy tothese storms. In the Eastern Pacific, there have beenstronger hurricanes reported recently. Wildfires have increased both in number and intensitydamaging many land throughout the world. 14. More extreme temperature and precipitation can preventcrops from growing. Extreme events, especially floods,wildfires and droughts can harm crops and reduce yields. Many weeds, pests and fungi thrive under warmertemperatures, wetter climates, and increased CO2 levels. Heat waves, which are projected to increase under climatechange, could directly threaten livestock. The ranges of many fish and shellfish species may change.Many marine species have certain temperature ranges atwhich they can survive. For example, cod in the NorthAtlantic require water temperatures below 54F. Even sea-bottomtemperatures above 47F can reduce their ability toreproduce and for young cod to survive. In this century,temperatures in the region will likely exceed boththresholds. 15. Extreme heat Natural disasters Poor air quality Allergens and other nuisances Spreading diseasesSource : www.meteo.gov.lkTemperatureAnomaly ofSri-Lanka 16. Acid Rain is the result of the emissions of sulfate andnitrates into the atmosphere from the burning coal toproduce electricity and deposited to the earths surfacesas an acid. 17. The Ozone layer is a thin layer in the atmosphere made upof oxygen atoms (03) that absorb harmful ultravioletradiation (UV-B) from reaching the earths surface. The ozoneis being depleted by chemicals released into the atmospherelike chlorofluorocarbons (CFCs), carbon tetraflouride,methyl chloroforms, chlorofluoromethanes (aerosolrepellents and as refrigerants). 18. humans can put on sunscreen to protect themfrom the UV-B rays. Animals don't have thisluxury. Plants will have a hard time surviving,unless there is drought conditions, then theywon't be able to survive at all. Plus the additionof UV-B rays will heat the earths surface whichadds to global warming as well.