Global emissions will still be too high come 2030, says UN

A United Nations report says greenhouse gas emissions will exceed estimated limits even though many nations have pledged to cut emissions.

Christian Hartmann/Reuters
An apple marked with the logo of the World Climate Change Conference 2015 (COP21) is seen in this illustration picture at Laquenexy Fruit Gardens, near Metz, eastern France, November 3, 2015. These branded apples will be offered to representatives of each country during the UN Climate Change Conference in Le Bourget, near Paris, from November 30 to December 11. Picture taken November 3, 2015.

Greenhouse gas emissions in 2030 could still be up to 12 billion tonnes more than the level needed to keep global warming within 2 degrees Celsius this century, a United Nations report estimated on Friday.

The sixth annual U.N. Environment Programme (UNEP) report analyzed the impact of countries' climate policies and emissions pledges ahead of a global climate deal to be signed in Paris next month and whether they are enough to limit global temperature increases to within 2 degrees C this century.

To stay within the 2 degree limit, global emissions levels should not exceed 42 billion tonnes in 2030.

However, even if all countries' conditional and unconditional plans for emission cuts are implemented fully, emissions could rise to 54 billion tonnes in 2030, leaving a gap of 12 billion tonnes, the report said.

"The current (pledges), combined with policies over the last few years, present a real increase in ambition levels and demonstrate an historic level of commitment and engagement by member states in tackling this major global challenge," UNEP executive director Achim Steiner said in a statement.

"However, they are not sufficient to limit global temperature rise to the recommended level of 2 degrees Celsius this century, and thus head off the worst impacts of climate change."

Last week, the United Nations said plans by around 150 countries to cut greenhouse gasemissions were not enough to limit a rise in global temperatures to 2 degrees, a threshold seen by scientists as avoiding the most devastating effects of climate change.

The plans, known as Intended Nationally Determined Contributions (INDCs), will be the building blocks for a U.N. deal expected at a summit set for Paris from Nov. 30 to Dec. 11 to fight globalwarming in the years from 2020.

Poorer nations, which might be the most vulnerable to climate change, have said negotiators should not abandon hope of limiting temperature rises to below 1.5 degrees even if targets on the table in Paris are less ambitious. (Editing by Dale Hudson)

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