The United States will fail to meet its commitments for reducing greenhouse gas emissions under the Paris climate treaty, according to a report released Saturday at UN negotiations in Bonn.

A crescendo of efforts at the sub-national level to shrink the country's carbon footprint will not fully counterract US President Donald Trump's decision to scrap his predecessor's climate policies and promote the use of fossil fuels, it found.

"Given the stated policies of the present US administration, currently committed non-federal efforts are not sufficient to meet the US commitments under the Paris Agreement," concluded the 120-page analysis, entitled "America's Pledge."

California Governor Jerry Brown and former New York Mayor Michael Bloomberg unveiled the report in Bonn, flanked by UN climate chief Patricia Espinosa and Fijian Prime Minister Frank Bainimarama, who is presiding over the 12-day talks.

Under the 196-nation treaty, agreed outside the French capital 2015, the United States made a voluntary commitment to cut the country's emissions 26-28 percent below 2005 levels by 2025.

The Paris pact marked the first time that all countries -- including emerging giants such as China and India -- laid out specific targets for greening their economies.

Despite the US shortfall, a surge of climate action will keep the US emissions curve on a downward path, said the report, jointly issued by the World Resources Institute and the Rocky Mountain Institute.

"States, cities, and business have emerged as the new face of American leadership on climate change, and are stepping up with commitments to reduce greenhouse gas emissions," they said in a statement.

"If these non-federal actors were a country, their economy would be the third largest in the world."

Twenty US states, 110 cities, and over 1,400 businesses with US operations have adopted quantified emissions reduction targets, the report found.

Collectively, they represent $25 trillion in market capitalisation and nearly a billion tonnes of greenhouse gas emissions per year.

Total global emissions were about 42 billion tonnes in 2015, according to the Global Carbon Project.

- 'Trend is clear' -

Among US states, California has adopted the most ambitious targets, requiring greenhouse gas emissions to fall at least 40 percent below 1990 levels by 2030.

"America's Pledge and coalitions like 'We Are Still In' are showing that, despite reversals in Washington, US climate action is strong and growing," said Bob Perciasepe, president of the Center for Climate and Energy Solutions in Arlington, Virginia.

Since taking office, Trump has kept two campaign promises: pulling out of the Paris treaty, and scrapping Barack Obama's Clean Power Plan, which boosted renewables and aimed to cut US emissions from power plants for the first time.

But his vow to revitalise the US coal industry -- undercut by a sharp drop in natural gas prices -- will be harder to fulfil, experts say.

"The trend is very clear," said Alden Meyer, director of strategy and policy for the Union of Concerned Scientists in Washington.

"Investment and deployment of renewable energy and energy efficiency have continued growing."

Employment in the solar industry grew 24.5 percent in 2016 compared to a year earlier, reaching a workforce of nearly 374,000 people, according to the US Energy Department.

There were also more than 100,000 jobs in the US wind energy sector by the end of last year.

By comparison, traditional fossil fuels -- including gas and oil -- employed 187,000 people.

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Developing world says rich nations shirking on climate pledges
Paris (AFP) Nov 10, 2017
The failure of wealthy nations to deliver on short-term climate commitments could hinder the rollout of a landmark treaty, a bloc of 134 developing countries, including India and China, warned at UN negotiations in Bonn. The diplomatic spat has underscored the difficulty of reaching a consensus at the 196-nation talks. "If we do not respect decisions that we have made, then how can we bu ... read more

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