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The final synthesis report was finished in March 2023. It includes a summary for policymakers and was the basis for the 2023 United Nations Climate Change Conference (COP28) in Dubai. [1] The first of the three working groups published its report on 9 August 2021, Climate Change 2021: The Physical Science Basis.
When estimating the effect of climate change on species' extinction risk, the report concluded that global warming of 2 °C (3.6 °F) over the preindustrial levels would threaten an estimated 5% of the Earth's species with extinction even in the absence of any other factors like land use change. If the warming reached 4.3 °C (7.7 °F), they ...
to confront the global climate emergency. ... Today's interim report from the UNFCCC [1] shows governments are nowhere close to the level of ambition needed to limit climate change to 1.5 degrees and meet the goals of the Paris Agreement. The major emitters must step up with much more ambitious emissions reductions targets for 2030 in their Nationally Deter
Climate change is one of the single biggest challenges facing development, and we need to assume the moral responsibility to take action on behalf of future generations, especially the poorest. [74] A World Bank report into climate change in 2012 noted that (p. xiii) "even with the current mitigation commitments and pledges fully implemented ...
The Intergovernmental Panel on Climate Change (IPCC) had been formed by the United Nations in 1988, [29] [30] and it presents reports summarizing the strength and extent of consensus on climate change and its numerous aspects to the member states of the United Nations, with the major reports released at 5-to-7-year intervals starting from 1990 ...
The report was delivered at the United Nations' 48th session of the IPCC to "deliver the authoritative, scientific guide for governments" to deal with climate change. [1] Its key finding is that meeting a 1.5 °C (2.7 °F) target is possible but would require "deep emissions reductions" [ 1 ] and "rapid, far-reaching and unprecedented changes ...
The World Bank said in December it will deploy 45% of its annual financing to climate change adaptation and mitigation by 2025. In the Pacific Islands, that goal has already been reached, he said.
The World Bank estimates that between 2016 and 2030, climate change could drive over 120 million people into extreme poverty without adaptation. [ 253 ] Inequalities based on wealth and social status have worsened due to climate change. [ 254 ]