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Li Jing

China and the United States are set to jointly announce their ratification of a landmark climate change pact before the G20 summit early next month, the South China Morning Post has learned.
Senior climate officials from both countries worked late into the night in Beijing on Tuesday to finalise details, and a bilateral announcement is likely to be made on September 2, according to sources familiar with the issue.
President Xi Jinping will meet his US counterpart Barack Obama for the G20 summit in Hangzhou, Zhejiang province, two days later on September 4.
How China, the ‘world’s largest polluter’, is taking on climate change
“There are still some uncertainties from the US side due to the complicated US system in ratifying such a treaty, but the announcement is still quite likely to be ready by Sept 2,” said a source, who declined to be named.
If both sides announce the ratification on the day, it would be the last major joint statement between the two leaders before Obama leaves office.
China and the US account for about 38 per cent of global greenhouse gas emissions, according to the World Resources Institute.
By ratifying the Paris Agreement on climate change, Beijing and Washington could generate momentum for the accord to come into effect as a binding international treaty.

The pact agreed by representatives from 195 countries in Paris last December aims to keep the increase in the global average temperature to well below 2 degrees Celsius on pre-industrial levels.
Countries began the ratification process on April 22, Earth Day, and by Tuesday, 23 nations had joined, but they account for just 1 per cent of emissions.
China and the US create a new climate for international collaboration on the environment
The treaty will enter into force only after 55 countries representing at least 55 per cent of emissions ratify or join the deal in other ways.
China had said earlier it would ratify the accord before the G20 summit in September.
In June, the US said it would “work towards” approving the deal before end of the year, with the White House keen to seal a key part of Obama’s environmental protection legacy before he leaves office in January.
US law allows the nation to join international agreements in a number of ways, including through the authority of the president.

With China and US joining, some civil society trackers say they are confident the deal could hit the 55 per cent threshold before the end of the year.
On Wednesday, investors managing more than US$13 trillion of assets urged leaders of the Group of Twenty major economies to ratify the deal before the end of December.
The 130 investors also called for the G20 to double global investment in clean energy, develop carbon pricing and phase out fossil fuel subsidies.
How a little-known chapter in Sino-US cooperation may have helped save the planet
“Governments must ratify the Paris agreement swiftly and have a responsibility to implement policies that drive better disclosure of climate risk, curb fossil fuel subsidies and put in place strong pricing signals sufficient to catalyse the significant private sector investment in low carbon solutions,” said Stephanie Pfeifer, chief executive at Institutional Investors Group on Climate Change.
Ratification is expected to play out differently in the US compared with China.

While China has “few uncertainties” at home for passing the deal, it could cause controversy within the US, according to Liu Shuang, an officer with Energy Foundation’s low-carbon development programme.
But the Obama administration’s commitment to international frameworks suggests the accord would be passed in a way that would make it difficult for his successors to undo, civil society trackers said.
‘I may do something else’: Donald Trump’s threat to renegotiate UN climate deal greeted with widespread dismay
The two countries started extensive cooperation at the leadership level in 2014. In a joint declaration that year, China promised its emissions would peak before 2030, while the US promised to cut emission by at least 26 per cent. That deal is widely regarded as paving the way for the Paris Agreement.


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G20: Hangzhou

China and US to ratify landmark Paris climate deal ahead of G20 summit, sources reveal

Move may tip momentum and bring accord into force at global level

Drought in Yunnan.

A mother and daughter wear masks on a polluted day in Beijing on December 9, 2015. Pollution red alerts spread to more Chinese cities, state media reported on December 9, as Beijing entered its third day of heavy smog, with officials warning poor conditions could last until Saturday in some places. / AFP / Greg Baker

Smoke billows from chimneys at a chemical factory in Hefei, Anhui province, in this March 10, 2010 file photo. World carbon dioxide emissions will hit a record high this year, driven by China's growth and keeping the world far off track from the deep cuts needed to limit climate change, the Global Carbon Project report by leading research institutes said on September 21, 2014. To match UN-CLIMATECHANGE-CARBON/ REUTERS/Stringer/Files (CHINA - Tags: ENVIRONMENT BUSINESS INDUSTRIAL POLITICS)

Visitors protect themselves from the polluted air as they make their way along Qianmen in Beijing. China and the US account for about 38 per cent of global greenhouse gas emissions. Photo: AFP

China and the US create a new climate for international collaboration on the environment

FILE - In this Nov. 12, 2014 file photo, President Barack Obama shakes hands with Chinese President Xi Jinping at the conclusion of their joint news conference at the Great Hall of the People in Beijing. Six countries produce nearly 60 percent of global carbon dioxide emissions. China and the United States combine for more than two-fifths. The planetís future will be shaped by what these top carbon polluters do about the heat-trapping gases blamed for global warming. (AP Photo/Pablo Martinez Monsivais, File)

The sun sets behind buildings as smoke rises from a chimney stack over the skyline of Jilin, in northestern China's Jilin province,k on November 17, 2009. US President Barack Obama said that the United States and China want next month's climate change talks in Copenhagen to culminate in a global accord that has immediate effect. TOPSHOTS CHINA OUT AFP PHOTO

US President Barack Obama shakes hands with President Xi Jinping in Beijing in 2014. China and the United States together account for more than 40 per cent of global carbon dioxide emissions. Photo: AP

Exclusive | China and US to ratify landmark Paris climate deal ahead of G20 summit, sources reveal

Move may tip momentum and bring accord into force at global level