International Agreements & commitments By Eeshan Chugh 2009 China became the leader in emitting the most amount of greenhouse gases overtaking United States of America. 2013 There was an excess in Carbon Dioxide which led to the warming up of the oceans. 2014 The fifth IPCC report stated that, "That the recent anthropogenic emissions of greenhouse gases are the highest they have ever been. 2016 The Paris agreement to control climate change. 2017 The global temperature spiked up to 13.4 degree Celsius. 2019 The second warmest year on this planet in the 140 year record.