The Radar: London 101, TripAdvisor Adds Professional Travel Tips, Solar Powered Airports

• Crowds will be flocking to London next summer for the 2012 Olympics. First time in the British capital? Here are 10 things you need to know before planning your visit.  [Hostel World]

• TripAdvisor is adding professional hotel and restaurant recommendations from the well-respected Fodor’s guides to its search results. Users of the hotel review site will now find travel tips and suggestions alongside consumer ratings. [tnooz]

• Indianapolis’ airport is going green. A 41,000-panel solar farm is being constructed next to the runways. Upon completion, it will be one of the largest solar farms in the country. The panels are expected to generate enough electricity to power 1,2000 homes.  [USA Today]

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Photo: Philip Cozzolino/My Shot