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World's climate pledges not yet enough to avoid dangerous warming – UN

October 30, 2015

World's climate pledges not yet enough to avoid dangerous warming – UN

Fiona Harvey
Friday 30 October 2015 09.22 GMT

Pledges by most of the world’s countries on climate change are likely to lead to less than 3C of global warming over the century, analysis of the data by the United Nations suggests.

The UN praised governments for coming forward with plans to limit their greenhouse gas emissions, to kick in from 2020 when current commitments expire.

The plans from 146 countries that cover nearly 90% of global emissions, known as INDCs or Intended Nationally Determined Contributions in the UN jargon, will form the centrepiece of the make-or-break Paris conference on climate change this December.

However, while the plans represent a significant advance on current trends, which would result in as much as 5C of warming if left unchecked, they are not enough in themselves to limit global warming to the 2C threshold that countries are preparing to agree on. This is widely regarded scientifically as the limit of safety, beyond which many of the effects of climate change - floods, droughts, heatwaves, sea level rises and more intense storms - are likely to become much more dangerous.

Read more at The Guardian.

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