A landmark agreement between the world's two biggest carbon polluters.<br /> <br />US President Barack Obama and Chinese President Xi Jinping announced plans to cut their respective emissions in an unprecedented joint climate pact in Beijing Wednesday.<br /> <br />(SOUNDBITE) (English) U.S. PRESIDENT, BARACK OBAMA, SAYING:<br /> <br />"Today I can also announce that the United States has set a new goal of reducing our net greenhouse gas emissions by 26-28 percent below 2005 levels by the year 2025. This is an ambitious goal but it is an achievable goal<br /> <br />The two also commented on the ongoing pro democracy demonstrations in Hong Kong - President Obama said the US supports the right of free expression, but President Xi called the protests illegal.<br /> <br />(SOUNDBITE) (Mandarin) CHINESE PRESIDENT, XI JINPING, SAYING:<br /> <br />"Hong Kong's affairs are purely Chinese internal political affairs, which foreign countries should not interfere in in any way."<br /> <br />But perhaps the most talked about controversy of
