Climate change in China cuts in carbon emissions than alternatives like hybrid electric vehicles, consulting firm McKinsey & Co says. Both internationally and within the People's Republic of China, there has been an ongoing debate over China's economic responsibilities for climate change mitigation. Climate change in China Since 2006, China has been the world's largest emitter of annually. China ratified the Kyoto Protocol as a non-Annex B party without binding targets, and ratified the Paris Agreement to fight climate change. As the world's largest coal producer and consumer country, China worked hard to change energy structure and experienced a decrease in coal consumption since
2011 United Nations Climate Change Conference said: "I salute the countries who made this agreement. They have all laid aside some cherished objectives of their own to meet a common purpose, a long-term solution to climate change." Kumi Naidoo of Greenpeace International said: "Right now the global climate regime amounts to nothing more than a voluntary deal that's put off for a decade. This could take us over the 2 °C threshold where we pass from danger to potential catastrophe." U.S. Senator Jim Inhofe, who opposes government energy regulations such as cap-and-trade and has called man-made climate change a hoax, cheered what he called the setting