| http://www.w3.org/ns/prov#value | - Other Summit speakers included more than 40 leading public figures, including Sir David Frost, British journalist and media personality, Daryl Hannah, American actress and activist, Sir Jonathon Porritt, environmentalist, David de Rothschild, adventurer and environmentalist, David Scowsill, WTTC president, and James Hogan, chief executive, Etihad Airways.
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