Include local landmarks, foods, and lifestyles in corporate blogs, press releases, websites, and social media.

FORBES: How To Build Your Business In Hyper-Local Markets: Research, Relate, Reinvent

Global landmarks that are going green on 17 March include Niagara Falls, the Leaning Tower of Pisa, Burj al Arab in Dubai, Table Mountain in South Africa, New York's Empire State Building and Berlin's TV Tower.

BBC: Queen answers Irish bid to turn Buckingham Palace green

The 560 entries include Renaissance-themed bed-and-breakfasts as well as historic landmarks such as Belvedere Castle in New York City's Central Park.

FORBES: Castle 4 Sale