Phılıppınes Al Gore Peta Protest

epa02191720 Filipino security officers block members of People for the Ethical Treatment of Animals ( PETA ) to enter  the venueformer US Vice Presidentanti-global warming campaigner Al Gore ( unseen ) speaks on climate change at the SMX Convention Hall in Pasay City , Philippines on 08 June 2010 . PETA fielded a ' gassy cow ' with signs that read ' You can ' t be a meat-eating environmentalist ' An Inconvenient Toot : Cow gas is killing the planet ' . The group said that switching from a meat-based diet to a vegan diet is more effective in the fight against climate change than switching from a standard car to a hybrid .  EPA/FRANCIS R .  MALASIG