Zeyu Xu

Jan 16, 2025 | rand.org | Dong Hoon |Zeyu Xu |Jesse Levin |Dong Hoon Lee

Publisher: Sage JournalsAvailability: Non-RAND Year: 2024 Pages: 32 Document Number: EP-70804 This publication is part of the RAND external publication series. Many RAND studies are published in peer-reviewed scholarly journals, as chapters in commercial books, or as documents published by other organizations. RAND is a nonprofit institution that helps improve policy and decisionmaking through research and analysis.

Aug 8, 2024 | mdpi.com | Zeyu Xu |Ming Yang |Lei Yu

1. IntroductionUrbanization leads to many environmental problems, among which noise is a major one [1]. In European Union countries, about 20% of the population suffers from noise levels above 65 dB [2] and this is more serious in developing countries. Recently, with the rapid increase in automobiles, noise has become the top environmental complaint in China’s metropolises (e.g., Shenzhen) [3]. In comparison to other environmental problems, the effect of noise is greater in high-density cities.