"With more than 6,000 scientific references cited and the dedicated contribution of thousands of expert and government reviewers worldwide, this important report testifies to the breadth and policyrelevance of the IPCC", said Hoesung Lee, Chair of the IPCC.
"Climate-related risks to health, livelihoods, food security, water supply, human security, and economic growth are projected to increase with global warming of 1.5°C and increase further with 2°C", the report, launched today in Incheon, South Korea, concludes.
The new Australian prime minister, Scott Morrison, said Monday that he would not withdraw the country from the Paris Agreement, but his government also wouldn't stick to electricity-sector targets that involve the phasing-out of coal.
Temperatures could rise by 1.5 degrees Celsius as soon as 2030 if global warming continues at its current pace and the world fails to take rapid and unprecedented measures to stem the increase, experts warned in a landmark United Nations report on Monday.
The headlines about cutting emissions by 45% by 2030 and getting nearly all of our electricity from renewables by the middle of the century, are all very well but a key point of this report is that successfully limiting climate change to 1.5C is not just down to cutting emissions or making lifestyle changes or planting trees - it is all of that and then some, acting in concert at the same time.
Released Sunday, the report warned that the world is rapidly running out of time to scale back greenhouse gas emissions before catastrophic planetary changes occur.More news: Michael: Most violent United States hurricane since 1969
It furthers the Paris Agreement of 2015, where and aim of limiting global temperature rises to "well below" 2C was set.
"It is pretty much impossible to reconcile Canada's commitment - which we agreed to in the Paris climate agreement - to avoiding 2 degrees and hopefully 1.5 degrees of warming, with decisions to expand the LNG industry", said Simon Donner, a climate scientist at the University of British Columbia.
"By 2100, global mean sea level rise will be around 10cm lower for warming of 1.5 degrees compared with 2C".
He admitted the report showed that "limiting warming to 1.5°C is barely feasible and every year we delay the window of feasibility halves".
The Council today adopted conclusions on climate change which emphasise the unprecedented urgency which is needed to step up global efforts to avoid the unsafe effects of climate change.
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How Much Global Warming Has There Been Already? The report also fails to discuss the five percent risk that even existing levels of climate pollution, if continued unchecked, could lead to runaway warming-the so-called "fat tail" risk.
A major report prepared by the United Nations has called for "rapid, far-reaching and unprecedented changes in all aspects of society".
"The reality is that we're very off track from where we need to be", says Rachel Cleetus, policy director for the Climate and Energy Program at the nonprofit Union of Concerned Scientists, who was not involved with the new report.
World Wildlife Fund Australia campaigner Monica Richter said the collective action of individuals will play a key role in ensuring accountability from government and businesses.
To ensure the planet is liveable, global Carbon dioxide emissions have to be reduced by 45% from 2010 levels by 2030 and renewables must provide up to 85% of global electricity by 2050 to meet targets. But the report warns that "the effectiveness of such techniques are unproven at large scale and some may carry significant risks for sustainable development".
"Because what is the meaning of our life, really, if we work and live destroying the planet, one sacrifice things for the future of our children", said French President Emmanuel Macron.
By 2050, emissions will need to be reduced by 100 percent.More news: Hurricane Michael Remnants Will Bring Heavy Rain To Parts Of New England