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                                                                                                 October 2, 2015

New Climate Change Joint Announcement by China and the

United States


On September 25, 2015, President Barack Obama and
Chinese President Xi Jinping issued a US. -China Joint
Announcement on Climate Change. The announcement
offered a shared vision for negotiating an ambitious new
agreement under the United Nations Framework
Convention on Climate Change (UNFCCC) at the meeting
of the parties in Paris in December 2015.

The announcement also outlined the nations' respective
actions to limit their domestic greenhouse gas (GHG)
emissions and identified existing and new bilateral and
multilateral cooperation efforts. Of particular note, China
announced that it would make available 20 billion renminbi
(US$3.1 billion) for a China South-South Climate
Cooperation Fund to support developing countries to
address climate change, while President Obama affirmed
his pledge that the United States would provide $3 billion to
the Green Climate Fund (GCF) under the UNFCCC. The
Chinese government preferred to announce and work with
low-income countries through a South-South Cooperation
Fund rather than the GCF.

China has been the highest emitter of GHGs worldwide
since roughly 2007, when it surpassed the United States.
Currently, China's share is about 23% of net global GHG,
while the United States' share-once as high as China's
current share-has declined to about 13%. Historically,
however, the United States has been responsible for the
highest cumulative contribution to human-related
emissions. Stakeholders in international cooperation to
reduce global emissions broadly expect both countries to
mitigate their GHG emissions, albeit at fairly differentiated
rates and magnitudes. The parallel GHG pledges of the two
countries boosted the likelihood, in many observers' eyes,
that an effective global accord could be achieved in
December.

In November 2014, during President Obama's state visit to
China, the two leaders synchronized pledges of voluntary
GHG emission reductions. President Obama set a new
policy target to reduce U.S. net GHG emissions by 26%-
28% by 2025, while President Xi agreed to peak Chinese
carbon dioxide (C02) emissions around 2030, perhaps
earlier, and to increase the non-fossil share of China's
energy to around 20% by 2030. Both targets are relative to
2005 levels. Neither pledge is supported by quantified
projections of how they would be achieved. China has also
pledged to lower CO2 emitted per unit of gross domestic
product by 60-65% compared with 2005; expand forest
stock volume by around 4.5 billion cubic meters (in3), also
compared with 2005; and control its emissions of
hydroflourocarbons-another type of GHG-by 2020.


China identified a number of specific new policies and
targets in the September 2015 announcement. These add to
the many pages of policies and measures spelled out in
China's June 2015 submission of its Intended Nationally
Determined Contribution to the negotiations under the
UNFCCC. New Chinese policies spelled out in the joint
announcement include:

* Green power dispatch, which would have distributors
   of electricity give preference to electricity generated by
   renewable energy technologies, high efficiency fossil-
   fuel-fired power plants, and power plants with lower
   emission levels when choosing which power supply to
   deliver to the grid;

* Promoting low-carbon buildings and transportation,
   with the share of green buildings reaching 50% in cities
   and towns by 2020;

* Increasing the share of public transport in motorized
   travel to 30% in large and medium-size cities by 2020;
   and

* Setting more stringent fuel efficiency standards for
   heavy-duty vehicles in 2016, to take effect in 2019.

China also specified its intention to start, in 2017, a national
GHG emissions cap-and-trade system covering electricity
generation, iron and steel, chemicals, building materials,
paper manufacturing, and non-ferrous metals. This may
build on experience gained in existing pilot cap-and-trade
systems in seven provinces and municipalities.

To date, many of China's efforts to reduce air pollution,
including CO2 emissions, from power plants and industry
have imposed limits only in eastern municipalities or
certain provinces. Some policies have explicitly sought to
move the sources of emissions rather than to reduce the
overall quantity. A policy with national scope, like the cap-
and-trade system President Xi announced on September 25,
could assure that emissions are reduced rather than
relocated.

Many people have welcomed the U.S.-China
announcement, seeing it as marking more positive high-
level cooperation than in previous decades. They also
welcome China's growing commitments to address its
GHG emissions. Some, however, express reservations
about China's policies and implementation. China's
systems to measure, report, and validate emissions (and
underlying economic activity) are relatively new and still
reportedly face reliability issues. While the Chinese
government has established stronger policies to enforce its


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