In December 2009, Oliver was awarded the 2010 TED Prize for his campaigns to "create change on both the individual and governmental levels" to "bring attention to the changes that the English, and now Americans, need to make in their lifestyles and diet". In 2010, he joined several other celebrity chefs on the series "The Big Fish Fight", in which Oliver and fellow chefs Hugh Fearnley-Whittingstall and Gordon Ramsay made a variety of programmes to raise awareness about the discarding of hundreds of thousands of saltwater fish because the fishermen are prohibited from keeping any fish other than the stated target of the trawl. He is a patron of environmental charity Trees for Cities.