This book is a collection of unpublished papers and was based on my research for more than ten years regarding the educational aspects of the greenhouse effect and global warming. These researches were presented in national and international conferences and fine details were not fully made out as papers. The questionnaires used in these researches are also provided and it can be a good guide for future researches.Global warming is accelerated by human activities like industrialization, deforestation, farming and increased energy consumption through transportation and use of air conditioners. There are several national and international reports emphasising the importance of education and community based actions to reduce the impacts of environmental problems. Citizens need to be scientifically literate about the greenhouse gases effect and global warming in order to participate in decision-making and to take appropriate actions in their own lives for a sustainable, green and clear environment. Collectively these decisions and actions have similar impact and significance as those taken by industry to reduce carbon emission by adapting clean and alternative sources of energy.