Does Circular Economy Contribute to Smart Cities' Sustainable Development?

Int J Environ Res Public Health · 2022 · PMC9265689 · PMID 35805283

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a decreasing trendno p-value reported

The graphic shows that the level of pollution at EU level (dial_1) has a decreasing trend, with a decrease of almost a third during the nine years, from 18.40 (particulates < 2.5 μm) to 12.60 (particulates < 2.5 μm) [ 40 ].

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