Climate Zones
Climate scientists project a significant global temperature rise by 2070, leading to shifts in climate zones. A study predicts transformations in 70 cities, impacting 90 million people. Moscow remains in the cold classification.
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Climate scientists predict a significant rise in global temperatures by 2070, leading to shifts in climate zones worldwide. The Köppen Climate Classification system categorizes climates based on vegetation, temperature, and precipitation, with 30 unique subclassifications. A study by climatologist Hylke Beck projects changes in climate zones for 70 global cities, highlighting transformations like Los Angeles becoming arid like New Delhi and Scandinavia transitioning to a temperate climate. The shift will impact nearly 90 million people currently living in temperate zones, as these areas become more tropical or arid. Moscow stands out as the sole city remaining in the cold classification. These changes prompt reflection on the planet's evolving climate diversity and the implications for different regions. The future tool allows users to explore how cities will adapt to new climate zones, offering insights into the potential climate similarities between cities across the globe.
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13 comments* https://en.wikipedia.org/wiki/Köppen_climate_classification
In the US, for construction, the IECC's system is used, and there was a recent update to a few dozen counties:
> However, with new research based on measured temperature data from over 4000 weather stations throughout North America over the last 25 years, the IECC designated changes to the CZ map for the first time in nearly 20 years. The outcome was that about 10% of counties in the U.S. were placed in a new CZ. In nearly all cases, the shift was to a warmer (lower) CZ, reflecting a general warming of the climate in those areas. The first set of maps below show the old CZs on the left and the new ones on the right. The shaded area across the west in the image on the right highlights the "dry" sub-climates. In most cases, the shift in CZ is relatively subtle.
* https://www.jm.com/en/blog/2021/march/understanding-the-iecc...
While the temperature increase is an average, the increase in extreme temperatures will be non-linear.
Feels like we fail to understand how perilous just a few degrees might be to certain cities already on the climate edge...
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