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Transcript
GLOBAL WARMING Do you aware of danger? What is global warming? • is an increase in the earth's temperature due to fossil fuels, industry, and agricultural processes caused by human, natural, and other gas emissions. How Global Warming Works Carbon Dioxide (CO2) Fossil fuels (coal, oil, natural gas) What’s the difference between “global warming” and “climate change”? Difference GLOBAL WARMING is the increase of the Earth’s average surface temperature due to a build-up of greenhouse gases in the atmosphere. CLIMATE CHANGE is a broader term that refers to long-term changes in climate, including average temperature and precipitation. What is the reasons of global warming? • Greenhouse effects • smoke from factory chimneys and exhaust from cars • Natural changes • nuclear power • The production of electricity, petroleum gasoline, automobiles, and processing of food. Greenhouse Effects • Emitted the gases to • the athmosphere Occurance of new layer Production of energy • Fossil fuel use, driven by economic and population growth, is the major cause Natural Changes Volcanoes release gases Change in the Sun’s energy Circulations of the ocean The effects of global warming • Sea level • Agriculture • Wildlife • Health • Water Resources • Natural events Effects on sea level . • • • • Warmer seas Melting ıce Asitic effect Higher sea levels Effects on agriculture • Growth of plants • Food and water shortages • Low-lying land • Carbon dioxide • Uncertainity Effects on wildlife • Climate zones • Forests Effects on health • • • • Warmer temperatures Extreme events Infectious diseases Positive effects Effects on water sources • Changing evaporation and rainfall • Hydroelectric power Natural events • Earth’s climate changes naturally and often produces climatic extremes and disasters • Heat waves • River and ocean • • • • flooding Droughts Lanslides Storms and hurricanes tornadoes What can we do? • • • • Efficient energy uses Insolute to homes Recycling Leaving the car at home What governments can do? • Establishing climate • • • change programmes Intergovernmental conventions Regulations for sustainable development Renewable energy plants Preventitive steps are crucial for us . . . . • Everything is under the control of us, we have to be aware of that. Otherwise, it will be too late.
