Voice of America: Protesters hold placards and banners during the ‘National Climate Emergency Rally’ in Sydney, Australia, 13 Jun 2009Thousands of demonstrators have rallied across Australia to demand greater government action to protect the environment. A series of so-called National Climate Emergency Rallies have been held across the country to demand Australia take the lead at the Copenhagen environment summit in December. The protesters, dressed in red to highlight the perils of global warming, …