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Photo source: Wikipedia Scientists have advanced a plan to power 100% of the world's energy with wind, hydroelectric, and solar power by the year 2030. According to a 2011 projection by the International Energy Agency, solar power generators may produce most of the world’s electricity within 50 years, dramatically reducing the emissions of greenhouse gases that harm the environment. Cedric Philibert, senior analyst in the renewable energy division at the IEA said: “Photovoltaic and solar-thermal plants may meet most of the world’s demand for electricity by 2060 -- and half of all energy needs -- with wind, hydropower and biomass plants supplying much of the remaining generation”. “Photovoltaic and concentrated solar power together can become the major source of electricity,” Philibert said. Economic trends All forms of energy are expensive, but as time progresses, renewable energy generally gets cheaper, while fossil fuels generally get more expensive. A 2011 IEA report said: &

He might be struggling at home, but President Obama is rock-star popular Down Under. A nationally representative opinion poll conducted by the Sydney-based think-tank the Lowy Institute for International Policy has found Australians prefer Barack Obama to Mitt Romney to become the next President of the United States by more than an 8 to 1 ratio (80% compared with 9%). The President's numbers are even better than four years ago when Australians preferred Obama to his then-rival Sen. John McCain by around a 4 to 1 ratio (73% compared with 16%). The Lowy Institute's Executive Director Dr Michael Wesley said "the results suggest the alliance is about as rock-solid as you could get. For President Obama, I guess it's too bad Australians can't vote in US elections." But it's not only the President who is doing well in Australia: US Marines are just as popular. When asked about the new US military base that has recently been established in Australia's tr