6; SRCCL SPM A.2.8, SRCCL SPM A.5.3; SROCC SPM A.5.4., 
SROCC SPM A.7.1, SROCC SPM A.8.1, SROCC Figure SPM.2} 
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Balanced diets feature plant-based foods, such as those based on coarse grains, legumes fruits and vegetables, nuts and seeds, and animal-source foods produced in resilient, 
sustainable and low-GHG emissions systems, as described in SRCCL. {WGII SPM Footnote 32}
78 
Acute food insecurity can occur at any time with a severity that threatens lives, livelihoods or both, regardless of the causes, context or duration, as a result of shocks risking 
determinants of food security and nutrition, and is used to assess the need for humanitarian action. {WGII SPM, footnote 30}
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Slow-onset events are described among the climatic-impact drivers of the AR6 WGI and refer to the risks and impacts associated with e.g., increasing temperature means, 
desertiﬁcation, decreasing precipitation, loss of biodiversity, land and forest degradation, glacial retreat and related impacts, ocean acidiﬁcation, sea level rise and salinization. 
{WGII SPM footnote 29}
In urban settings, climate change has caused adverse impacts on 
human health, livelihoods and key infrastructure (high conﬁdence). 
Hot extremes including heatwaves have intensiﬁed in cities (high 
conﬁdence), where they have also worsened air pollution events 
(medium conﬁdence) and limited functioning of key infrastructure 
(high conﬁdence). Urban infrastructure, including transportation, water, 
sanitation and energy systems have been compromised by extreme 
and slow-onset events79, with resulting economic losses, disruptions of 
services and impacts to well-being (high conﬁdence). Observed impacts 
are concentrated amongst economically and socially marginalised urban 
residents, e.g., those living in informal settlements (high conﬁdence).