US Ambassador to Sri Lanka, Michele Sison, looks for rubbish along the coast of Colombo on April 22, 2013, on World Earth Day. Some one billion people in approximately 192 countries are reportedly taking action to protect the environment on earth day for which the theme thie year is 'The Face of Climate Change". AFP PHOTO/Ishara S. KODIKARA
Foto: AFP - Ishara S.KODIKARA