<span class=normal>To kick start the fourth edition of NDTV Toyota Greenathon, brand ambassador Priyanka Chopra cleaned the Yamuna river at Agra yesterday. It was a symbolic gesture as part of an initiative to create awareness for environmental issues.<BR><BR><br><p class=clear>&nbsp;</p>Priyanka along with model turned actor Milind Soman flew to Agra together. Abhishek Mishra, Minister of State for Protocol, UP, along with local environmental organizations and school children joined her in the effort.</span>