Fig. 6: Costs and benefits of halving Nr pollution with urbanization.
From: Managing urban development could halve nitrogen pollution in China
c Geographic distribution of implementation cost on waste treatment (a), agricultural optimization (b), and industrial pollution system upgrades (c) to achieve the above mentioned reduction potential of Nr pollution with urbanization. Geographic distribution of monetized benefits on climate (d), human health (e) and ecosystem (f). g Geographic distribution of economic benefit from fertilizer saving and yield increase. h National costs and benefits with urbanization. Blue indicates implementation costs, while red indicates benefits. The base map is applied from GADM data (https://gadm.org/).
