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Image by Markus Spiske (via Unsplash)

UN scientists today released a  detailing humanity’s damaging impact on the climate as a ‘statement of fact’, and revealing that ongoing emissions of warming gases could see a key temperature limit broken in just over a decade. 

The 42-page document from the  (IPCC) also states that a rise in sea levels approaching 2m by the end of this century ‘cannot be ruled out’.  

The assessment report is the first in a series, which will be released in four stages over the next year. It’s publication comes less than three months before the UN Climate Change Conference, , hosted by the UK and due to take place in Glasgow in November.

Experts from the ÅÝܽ¶ÌÊÓƵ have been responding to the report, which is the first major review of climate change science since 2013. 

 Professor of Energy Policy in the Science Policy Research Unit (SPRU) and Director of the Sussex Energy Group, was involved in the IPCC report as lead author for chapters on Mitigation, and contributing author for chapters on Energy Systems and Transport. He said: 

“The report, while complex, carries a sobering and simple message: we are on a track to true climate catastrophe.  And while the science is sound, research is needed to examine why and under which conditions initiatives can be a successful driver of change, and which policies, institutional changes, governance structures, and legal regimes would support changes.” 

“In order to ensure that global warming does not exceed 2°C temperature levels, rapid, transformative, and sustained action is needed.  The world is set to use up its carbon budget in a matter of years, not decades.  We must act with an urgency unlike any other challenge facing human history.”

Professor  is the former Chief Scientist of the United Nations Environment Programme and has co-authored IPCC reports since 1995. Now, as Professor of Environmental Systems Science and Director of the Sussex Sustainability Research Programme (SSRP), he said: 

“The predictions of the IPCC report, as well as the heat waves, floods and wildfires we’re experiencing day to day, are deplorable but not surprising. For at least three decades the main science has been clear on climate change, but for three decades our response has been too weak.

"A stronger response will have to come from all parts of society, and sooner or later the fight against climate change will have to be linked up with our other big fights ... against poverty, hunger and inequality.”

, Senior Researcher in Climate Change, Health and Migration, and an IPCC expert reviewer, said: 

“This is an incredibly important report which clearly states the looming, and very real, dangers and risks posed by . From the impacts of extreme heat events upon outdoor labour’s safety and productivity, to the links between air pollution and declining health, and increasing  that could lead to forced movements and displacement.

"The assessment highlights important findings from a vast body of scientific research, such as the  reports of which I am a co-author. We need substantive changes to help protect our planet and humanity.”

, Lecturer in Climate Change, said: 
“It could not be more timely for the 6th IPCC assessment report to come out today. Experiencing and living through a pandemic and having to quickly create policies based on the science should be a lesson learned and one taken forward with the latest climate science that the has now provided in their latest report.

“Most of the globe now experiences some form of climate impacts due to human activity that has caused the rapid warming trends we have been experiencing. This will only worsen, and we have clear scientific evidence of the cause of this warming.  It is time to act globally on this very pressing issue and reduce our emissions with the guidance and leadership of all countries.

“The AR6 report could not be clearer, the scientific evidence could not be clearer - action is required now."

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