This paper explores the ways of making library a green one from the following four aspects: green environment, green service, green books, and green management.

This paper introduces the reading-room of the library under the green environment, analyzes on some main paths for polluting the reading-room of the library and their influences on readers health, and advances several suggestions on perfecting the environmental sanitation of reading-room of the library.

This paper discusses on the construction of university green library from three aspects of the green environment,green management and green culture .

The following text has marrated how the digitized campus with the "green" environment and the "green" library based on "green" recreation and network multimedia culture and "green" culture pattern of library constructed, in order to make readers carry on the healthy and progressive recreation cultural activity, study" green" knowledge, loving "green" education in the "green" environment.

Further proposals are given for strategies and measures of environmental afforestation and ecological greenbelt construction of Guiyang City.

The Application of compost of city sewage sludge to environmental greening;

Combined with practical engineering,the article introduces the guiding ideology of its design,analyzes its general planning from architectural composition,public construction arrangement and environmental greening,and discusses the design of its building monomer,which to offer a reference for the design of similar engineering.