A new report from the UN Environment programme (UNEP) has said that more drastic cuts to worldwide emissions must be taken for global warming to stay below the 2C degree mark. Even with the lauded Paris Agreement, the report says that predicted emissions will cause temperature rise to 3.4C degrees on pre-industrial levels this century.

"We are moving in the right direction: the Paris Agreement will slow climate change," said Erik Solheim, head of UNEP. "But it's still not good enough if we are to stand a chance of avoiding serious climate change."

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"If we don't start taking additional action now, beginning with the upcoming climate meeting in Marrakesh, we will grieve over the avoidable human tragedy.

"The growing numbers of climate refugees hit by hunger, poverty, illness and conflict will be a constant reminder of our failure to deliver. The science shows that we need to move much faster."

The report is released the day before the Paris Agreement comes into force. At least 25% of currently predicted emissions must be cut for the temperature rise on pre-industrial levels to stay below 2C degrees, according to the UNEP report.

A 2C degree rise is generally accepted as the "safe" limit, with 1.5C degrees being preferable –though lower rises would still only mitigate the affects of rising temperatures, rather than halting them.

Solheim also complemented the Kigali Amendment, which would see countries slash the amount of hydrofluorocarbons (HFCs) released. HFCs are used in a number of refrigeration processes. Studies have suggested that limiting their usage could reduce the future temperature rise by 0.5C degrees.

The Paris Agreement saw governments agree to keeping the global temperature rise below 2C degrees by cutting emissions. The agreement has been ratified by a number of governments, including the EU, China and the US.

Governments will be meeting in Marrakesh next week for COP22 where it is hoped that clearer paths to keeping the Paris target are created.

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