With increasing urbanization in China, the traffic-induced urban environmental noise pollution problem is becoming more and serious, it has become a common malady that cannot be ignored. Traffic green belts are an important part of ecosystem play role traffic reduction, simultaneously provide services, such as creating natural landscape retaining dust. Therefore, they category Nature-based Solu...

Decisions about expenditure on health, education and other publicly-provided services require choices regarding how much of our collective income we should allocate to these services and which services should be given priority. The attempt to answer this question has stimulated many developments in economic theory and practice, from human capital theory to systems of extended national accounts....