Not Set/ Emerging alternate energy breakthroughs

Despite their allure, alternate energy systems have really not been able to displace conventional, non-sustainable, polluting or hazardous sources like coal, petroleum or nuclear. Reasons are cost and scalability. Take solar energy. It is estimated that several times the planet’s total energy need arrives from the sun but costs of gathering and effectively storing it are prohibitive. Nanosolar Inc, in California, USA began with a checklist of seven stumbling blocks in the way of solar energy’s success and has in 5 years of work, been ticking them off as overcome. It is now ready for wide…