For a 40 - year horizon (1990 — 2030), on - road vehicle exhaust emissions were evaluated, retrospectively and prospectively, for the largest urban agglomeration in India — the Greater Delhi... (ccacoalition.org)
At the country level, Japan and South Korea — both developed countries — lead the region with highly urbanized populations (80 - 90 %) spread across multiple large urban agglomerations covering 3 - 5 % of each country's land area. (sciencedaily.com)
The reasons for such decline are many: trade, globalization, technological change, the dominance of agribusiness, energy policy, and the advantages of urban agglomeration. (thephiladelphiacitizen.org)