Energy resources: renewable versus nonrenewable

ENERGY RESOURCES  Group  Vũ Tuấn Tài  Nguyễn Thanh Tùng  Nguyễn Việt Hà  Lê Hồng Minh  Nguyễn Tá Nam  Hà Công Đức Content What is Energy ? II How Energy is used ? III Energy conservation IV Sustainable Energy I What is Energy ?    The word energy derives from the Greek ”energeia” First appears in 4th century BC Understood as the ability a physical system has to work on other physical systems What is Energy ?    Two kinds of Energy Renewable Non-Renewable What is Energy ? •       Renewable energy Solar Wind Hydropower Biomass Water Geothermal power Renewable Energy  Advantages  Sustainable and will never run out Derived from natural Reduces the costs of operation Minimal impact on the environment     Disadvantages  Depends on the weather Difficult to generate the quantities of electricity  What is Energy ?       Non-Renewable Coal Natural gas Petroleum Uranium Propane Non-Renewable Energy  Advantages  Relatively cheap fuel and readily available  Disadvantages  Can run out Photochemical pollution from nitrous oxides, and acid rain from sulphur dioxide Greenhouse gases including vast amounts of carbon dioxide that causing the phenomenon of global warming that the planet is currently experiencing   How Energy is used ?  Four economic sector  Residential: heating and cooling our homes… Commercial: lighting office buildings… Transportation: driving cars and moving freight … Industrial: manufacturing the products …    Energy industry        The petroleum industry The gas industry The electrical power industry The coal industry The nuclear power industry The renewable energy industry Traditional energy industry How Energy is used ?  World Energy Consumption Energy consumption in Vietnam     According to the industry trade ministry: Vietnam’s power consumption is likely to increase by 3.5 times within the next decade Crude oil, gases and some other fossil fuels will be exhausted within 30 years Need to import 100 million tons of fossil coal each year by 2020 Dung Quat Refinery Factory Energy conservation   Increased efficient energy use Decreased energy consumption or reduced consumption from conventional energy sources Energy conservation  Why is Energy conservation important ?  The limited amounts of non-renewable energy resources on Earth Consumption of non-renewable resources impacts the environment  Energy conservation in Vietnam  Energy conservation measures have successfully saved the nation more than 240billion VND in electricity costs in the first six months of 2007 Sustainable Energy    Sustainable energy resources are most often regarded as including all renewable energy sources Hydroelectricity, solar energy, wind energy, wave power, geothermal energy, bio energy, and tidal power Includes technologies that improve energy efficiency [...]... Energy conservation   Increased efficient energy use Decreased energy consumption or reduced consumption from conventional energy sources Energy conservation  Why is Energy conservation important ?  The limited amounts of non -renewable energy resources on Earth Consumption of non -renewable resources impacts the environment  Energy conservation in Vietnam  Energy conservation measures have successfully... 240billion VND in electricity costs in the first six months of 2007 Sustainable Energy    Sustainable energy resources are most often regarded as including all renewable energy sources Hydroelectricity, solar energy, wind energy, wave power, geothermal energy, bio energy, and tidal power Includes technologies that improve energy efficiency ...How Energy is used ?  World Energy Consumption Energy consumption in Vietnam     According to the industry trade ministry: Vietnam’s power consumption is likely to increase by 3.5 times within the next decade Crude oil, gases and some other fossil fuels will be exhausted within 30 years Need to import 100 million tons of fossil coal each year by 2020 Dung Quat Refinery Factory Energy conservation