However unlike hydroelectric dams‚ which harvest power by installing an artificial obstruction in a flowing waterway‚ wave and tidal energy devices simply use the power of the ocean waves and/or rising and falling tides. It is another clean and sustainable source of energy that has barely been put to work to power the planet. Some energy experts consider ocean power to be where wind power was twenty years ago. It’s the “wave” of the future. Waves are formed when wind blows over the water’s surface
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economically sustainable. London is also a financial hub. Unlike Curitiba it has adopted an underground train system. The system is the oldest in the world‚ 150 years old. This has caused many issues that other transport systems would not experience. The old tunnels need constant repair and the operational costs of the old stations far exceed that of modern subway systems. Nevertheless authorities have enclosed strategies that have made the underground system economically and financially sustainable. Over
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network allows the latest global events to be aired worldwide and beamed directly to your living room. Examples (from top-left‚ clockwise) include September 11th attack‚ 2004 Tsunami in Indonesia‚ 2008 H1N1 outbreak and 2011 earthquake in Japan. Pros of watching television The positive aspects of watching television include that you have something to talk to friends and relatives about. There are certain programs which are more popular than others and if you watch them you feel included and
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THE PROS AND CONS OF NUCLEAR SCIENCE Nuclear energy is a powerful source of energy compared to other conventional fuels. All crude oil based fuels derive their energy from oxidation‚ which is a change in the energy levels of electrons outside the nucleus. However‚ nuclear energy derives power from changes in the nuclear energy levels of the atomic nucleus! Tremendous energy lies locked up inside a radioactive nucleus and nuclear fission is a way of tapping this energy. Nuclear power plants derive
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does the American government control its population? The way it still is – divide and conquer. It pits one group against the other and lets them fight. Native-Americans against whites. Blacks against whites. Red states against blue states. Pro-choice against pro-life. Women against men. Liberals against conservatives. Straight against gay. The fighting is endorsed and encouraged by the power elite because it distracts their unjust or illegal methods of control‚ that if carefully examined and brought
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Sustainability connections Economic | Environmental | Social | Economic development | Resource use e.g. water | Human and worker rights | Local industry participation | Waste generation | Paying appropriate wages | Jobs created | Material sourcing | Working conditions | Corporate governance | Atmospheric pollution | Freedom of association | Public reporting | Toxic material disposal | Workforce diversity | Sustainable development aims to meet human needs in the present while preserving the environment
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Biotechnology is the superhero that will solve all our problems‚ it also presents a the risk of introducing new‚ more serious problems. In time‚ it will become apparent if the solutions that have been implemented already are successful‚ safe and sustainable. Consider genetically modified (GM) foods‚ they have been around for a while and there has been discussion about them having some untoward health effects over time‚ and just as superbugs resulted from in-appropriate antibiotic use‚ who knows what
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The Necessity of ObamaCare in the United States The United States is heavily watched around the world in terms of politics or any other action as it is one of the leading countries of the world. Recently‚ the United States caught the eye of the world in its recent debate of the health care reform. Most commonly referred to as “ObamaCare” the official name is the Patient Protection and Affordable Care Act (PPACA) or for short‚ the Affordable Care Act (ACA). President Barack Obama on March 23‚ 2010
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“Buying green‚ saving green‚ acting green‚” is the new mantra hummed by numerous amounts of people in the world today. Becoming environmentally conscious has grown to a state where everyone shames those who leave a light on when they leave a room or when they leave the tap on a second too long when brushing their teeth. Can abiding by these rules solve our never ending issue of climate change? An overwhelming no can arise from that. Green consumers these small acts are enough to reach their goal
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Many people experience stereotyping daily and have either done the action of discrimination on a certain group of people or the person has been a member of a group that has been negatively stereotyped. I have experienced many negative and positive stereotypes toward my association as part of the group‚ complying myself to have behaviors based on the discriminations. I perceive myself as schematic towards athleticism because I am a softball player and have played for fifteen years‚ making it a very
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