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Here is the presentation on Presentation on solar ,nuclear and wind energy.
Everyday, the world produces carbon dioxide that is released to the earth’s atmosphere and which will still be there in one hundred years time.
This increased content of Carbon Dioxide increases the warmth of our planet and is the main cause of the so called “Global Warming Effect”. One answer to global warming is to replace and retrofit current technologies with alternatives that have comparable or better performance, but do not emit carbon dioxide.
We call this Alternate energy.
By 2050, one-third of the world's energy will need to come from solar, wind, and other renewable resources. Who says? British Petroleum and Royal Dutch Shell, two of the world's largest oil companies. Climate change, population growth, and fossil fuel depletion mean that it will need to play a bigger role in the future than they do today.
Alternative energy refers to energy sources that have no undesired consequences such for example fossil fuels or nuclear energy. Alternative energy sources are renewable and are thought to be "free" energy sources. They all have lower carbon emissions, compared to conventional energy sources. These include different energy resourcse sources. Combined with the use of recycling, the use of alternative energies such as the home use of systems will help ensure man's survival into the 21st century and beyond by this helping home.
Alternative energy can also refers to the different and subtle energies of the Universe.The awareness and study of these energies, which are similar to electrical energies that science knows can result in amazing curative .
Please see the file attached with the notes.