Activists wearing masks depicting (L to R) Australia's Prime Minister Tony Abbott, Canada's Prime Minister Stephen Harper, China's President Xi Jinping, Japan's Prime Minister Shinzo Abe, India's Prime Minister Narendra Modi and Russia's President Vladimir Putin are seen before they demonstrate to demand cuts in global emissions during the U.N. Climate Change Conference COP 20 in Lima on December 12. The two-week long United Nations climate summit opened on December 1 in Lima, with experts and analysts from around the world gathering to discuss melting glaciers and extreme weather patterns. Protesters also urged international leaders to reach an agreement at the Paris Conference 2015, a deal to drive climate action beyond 2020. Reuters/Enrique Castro-Mendivil