konkretenergy

    Energy is needed for human activities, especially for activities economy, household, industry, business and transportation. Part The world's large energy supply comes from fossil fuels is a non-renewable resource. Estimated energy requirements continues to increase, while sources of oil and coal reserves the numbers are dwindling. Apart from that, the use of fossil fuels as energy that contributes to excess carbon in the atmosphere thus causing global warming (Jukic & Jerkovic, 2008). Therefore, there is a need for alternative energy supplies other than oil earth and coal. New Renewable Energy ( RE ) is one of them Alternative sources provide energy, because in addition to having an impact low environmental damage, also guarantees satisfaction energy into the future.    On the other hand, almost every day , in our surrounding environment   we find piles of rubbish, both organic or non-organic. One type of non-organic waste that we often encounter i...