Energias Renovaveis
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ItemDo The Math(PF Pictures, 2013-09-22)The fossil fuel industry is killing us. They have five times the amount of coal, gas and oil that is safe to burn - and they are planning on burning it all. Left to their own devices, they'll push us past the brink of cataclysmic disaster - life as we know it will be irrevocably altered forever. Unless we rise up and fight back. DO THE MATH chronicles "America's leading environmentalist" Bill McKibben in a David-vs-Goliath battle to fight the fossil fuel industry and change the terrifying math of the climate crisis. Bill McKibben is going after Big Oil, Big Coal, and Big Gas directly - energizing a movement like the ones that overturned the great immoral institutions of the past century - such as Apartheid in South Africa. Putting his body on the line to stop the Keystone XL Pipeline and leading universities and institutions to divest in the corporations destroying our livelihoods, McKibben is uniting the growing global majority that view the climate crisis as the most important moral issue of the day. The film also features a veritable who's who of the climate movement including Dr. James Hansen (Frmr. Director, NASA's Goddard Institute for Space Studies), Naomi Klein (Author, The Shock Doctrine), Van Jones (CNN Correspondent & Author, The Green Collar Economy) Lester Brown (President, Earth Policy Institute), Michael Brune (Executive Director, Sierra Club), Bobby Kennedy Jr. (President, Waterkeeper Alliance) Majora Carter (Founder, Sustainable South Bronx), Phil Radford (Executive Director, Greenpeace), James Gustave Speth (Co-Founder of NRDC), among others.
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ItemSolar energy as natural resource utilization in urban areas: Solar energy efficiency literature review(IOP Publishing, 2021)Solar power plant is a power generator that utilizes solar cells to transform solar radiation into electrical energy. Solar cells are a direct energy technology. Electrical energy can be produced without the assistance of moving fluids such as vapour or gas. If it is compared with wind, water and biomasses powers, solar cells utilization tend to be much easier and simpler. The aim of this research is to evaluate urban areas potentials to utilize solar cells as solar power plant. The energy of the sun as a stable electricity source would never be damaged and environmental friendly. A solar power plant system is divided into several sections. Solar cells will transform solar energy into electricity. The electricity produced by solar panels will be stored in an accumulator through a charger controller. This charger controller will act as voltage and current regulator in the accumulator. Rooftop solar power plant utilization has improved as much as 170%. At this moment, there are numerous buildings and housings in urban areas that have already installed rooftop solar panels as electricity generator. Jakarta and Surabaya are two major cities that have already implement rooftop solar power plant on top of office buildings, universities, and housings. Rooftop solar power plant is an environmental friendly and a potential electricity generator to be implemented.