World’s 10 Most Expensive Cities

Cost of living survey conducted by Mercer worldwide gives a startling insight into the world economies. Highest costs of livings are ‘not’ associated with metropolitans such as Ney York, Paris or London, as commonly assumed.  Here is a list of cities which are ranked as the most expensive as of 2011. No 10. Singapore –

Solar Farms to Power Europe by 2050

During the colonial era, European countries set up outposts in Africa where they could get cheap labor and natural resources. And today Europeans build solar farms in Africa, extracting sunlight from the Sahara to power high-tech cities in the north According to Inhabitat: If just one percent of the Saharan Desert were covered in concentrating