Suchergebnisse

Sino-Cuban relations have deepened rapidly since the beginning of the twenty-first century, propelled by both political ideology and economic interests. A shared commitment to socialism with "local characteristics" has enabled the pursuit of an unusually broad range of cooperative initiatives. These include Chinese investment in the Cuban nickel and oil sectors, educational and medical exchange programs, the development of tourism, and engagement with the Chinese diaspora on the island. Data from Chinese sources on these spheres of engagement reflect an attempt to address contemporary needs with a blend of state and market forces. The intensification of Sino-Cuban relations over the past decade poses no challenge to the United States; on the contrary, it opens new opportunities for trilateral cooperation. Las relaciones sino-cubanos se han profundizado rápidamente desde comienzos del siglo XXI, impulsadas tanto por ideología política como por intereses económicos. Un compromiso compartido al socialismo con "características locales" ha permitido la consecución de una gama inusualmente amplia de iniciativas cooperativas. Éstas incluyen la inversión china en sectores cubanos de níquel y petróleo, programas de intercambio educacionales y médicos, el fomento de turismo, y la interacción con la diáspora china en la isla. Datos de fuentes chinas sobre estos ámbitos de interacción reflejan un intento de abordar necesidades contemporáneas con una mezcla de fuerzas estatales y del mercado. La profundización de relaciones sino-cubanas en recientes décadas no presenta ningún desafío a los Estados Unidos; al contrario, abre nuevas oportunidades de cooperación trilateral.

Water pollution is a prominent and urgent environmental problem that represents a significant challenge in solving the water resource crisis. The ability to choose an optimal environmental policy can provide support for decision makers to effectively control water pollution. This study presents an agent-based model (ABM) approach involving two classes of agents, agricultural household agents and factory agents, to simulate pollutant discharge, and discusses the effectiveness of the whole system and subsystems under multiple policy scenarios involving a combination of environmental tax (ET) and payments for environmental services (PES). This idea is applied to the Shanmei Reservoir watershed, one of the important reservoirs watersheds in China. The results showed that: (1) the ABM represented well pollutant discharge scenarios where Nash coefficient (NSE) values were greater than 0.76 ; (2) though ET and PES policies were both effective in reducing water pollution, PES was more effective at reducing pollution from households, while ET was more effective at controlling industrial pollution emissions ; (3) considering the environmental costs and general effect of the system, a medium degree of PES for agricultural household agents and a medium degree of ET for factory agents were found to be optimal for controlling water pollution in this watershed. A differential compensation mechanism and the introduction of market incentives were recommended to reduce the financial burden of the government. The results also demonstrated that ABM was helpful for choosing an effective policy to control pollution emissions and realizing environmental objectives and socio-economic co-benefits. The model structure and parameters should be optimized in specific cases because of the uncertainty of partial parameters and the neglect of the consumption process. These findings could be helpful for providing guidelines for water pollution control and sustainable water management in China.

In the face of increasingly serious resource and environmental challenges, the world has already accepted low-carbon development as the main way forward for future city construction. Chinese cities have encountered many problems during their development, including land constraints, energy shortages, traffic congestion and air pollution. For this reason, the national meeting of the Central Work Conference on Urbanization made the strategic decision to take a new approach to urbanization and indicated that in future the key features of urbanization in China will be low-carbon development and harmony between the environment and resources. This book discusses the "low-carbon city" as the new pattern of Chinese urbanization. This represents a major change and takes "intensive land use," "intelligent," "green" and "low carbon" as its key words. Low carbon will become an important future development direction for Chinese urbanization development. In the twenty-first Century in response to the global climate change, countries have started a wave of low-carbon city construction. But in China, there are still many disputes and misunderstandings surrounding the issue. Due to a lack of research, low-carbon city construction in China is still in the early stages, and while there have been successes, there have also been failures. There are complex and diverse challenges in applying low-carbon development methods in the context of today's Chinese cities. The construction of low-carbon cities requires efficient government, the technological innovation of enterprises, and professional scholars, but also efforts on the part of the public to change their daily activities. Based on the above considerations, the collection brings together experts from urban planning and design, clean-energy systems, low-carbon transportation, new types of city infrastructure and