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Elinor Ostrom received the 2009 Nobel Price in Economic for her work on the Commons. She showed how common resources - forests, fisheries, oil fields or grazing lands, can be managed successfully by the people who use them, rather than by governments or private companies.

"The assessment of gross national happiness (GNH; Wylie: rgyal-yongs dga'a-skyid dpal-'dzoms) was designed in an attempt to define an indicator that measures quality of life or social progress in more holistic and psychological terms than only the economic indicator of gross domestic product (GDP)."

Potentiality of domestic biogas plants in China „ It was forecasted that the potentiality of domestic biogas plants is 150 millions on the basis of climate potential and social-economic potential by Some Chinese experts , that may cover of 55% of the household in rural area in China. It means that the number of biogas plants in use will meet the requirement of 20% of potentiality by 2010. „ If we consider the trend of rural economy developing in China, the potentiality should be modified based on two aspects: (1) Industrialization of animal husbandry with fast development speed；(2) the movement of traditional farmer from rural area to cities and towns. „ Approximately, the potentiality of domestic biogas plants in China is among the 80 millions mainly based on the national pig dung potential

"Computer-aided design (CAD), also known as computer-aided design and drafting (CADD) , is the use of computer technology for the process of design and design-documentation. Computer Aided Drafting describes the process of drafting with a computer. CADD software, or environments, provides the user with input-tools for the purpose of streamlining design processes; drafting, documentation, and manufacturing processes. CADD output is often in the form of electronic files for print or machining operations. The development of CADD-based software is in direct correlation with the processes it seeks to economize; industry-based software (construction, manufacturing, etc.) typically uses vector-based (linear) environments whereas graphic-based software utilizes raster-based (pixelated) environments. "