Clean Technologies and Environmental Policy《清洁技术与环境政策》（月刊）. This journal publishes papers that aid in the development, demonstration, and commercialization of cleaner products and processes as well as effective environmental policy strategies. As its title suggests, the journal has two major thrusts: Clean Technologies and Environmental Policy.

CLEAN – Soil, Air, Water《清洁土壤、空气和水》（月刊）. CLEAN covers all aspects of Sustainability and Environmental Safety. The journal focuses on organ/human--environment interactions giving interdisciplinary insights on a broad range of topics including air pollution, waste management, the water cycle, and environmental conservation.

Clays and Clay Minerals《粘土和粘土矿物》（一年1卷）. Clays and Clay Minerals aims to present the latest advances in research and technology concerning clays and other fine-grained minerals, including but not limited to areas in agronomy, ceramics, colloid chemistry, crystallography, environmental science, foundry engineering, geochemistry, geology, medicinal chemistry, mineralogy, nanoscience, petroleum engineering, physical chemistry, sedimentology, soil mechanics, and soil science.

Clay Minerals《粘土矿物》（季刊）. Clay Minerals is an international journal of mineral sciences, published four times a year, includes research papers about clays, clay minerals and related materials, natural or synthetic. The journal includes papers on Earth processes, soil science, geology/mineralogy, chemistry/material science, colloid/surface science, applied science and technology and health/ environment topics.

Classical and Quantum Gravity《经典引力和量子引力》（半月刊）. Classical and Quantum Gravity welcomes original research articles on all branches of gravitational physics and the theory of spacetime. The readership of the journal is broad, comprising gravitational theorists and experimentalists in physics, mathematics and cosmology. All articles should be of interest to this broad readership and should contain a summary that places the findings in the wider context of gravitational physics.

Cladistics《分支分类学》（双月刊）. Cladistics publishes high quality research papers on systematics, encouraging debate on all aspects of the field, from philosophy, theory and methodology to empirical studies and applications in biogeography, coevolution, conservation biology, ontogeny, genomics and paleontology.

Civil Engineering and Environmental Systems《土木工程与环境系统》（季刊）. Civil Engineering and Environmental Systems is devoted to the advancement of systems thinking and systems techniques throughout systems engineering, environmental engineering decision-making, and engineering management. We do this by publishing the practical applications and developments of "hard" and "soft" systems techniques and thinking.

Civil Engineering《土木工程》（双月刊）. The Civil Engineering Magazine provides a record of civil engineering achievements and professional issues published in Civil Engineering Magazine, the official publication of the American Society of Civil Engineers. Feature articles describe pivotal civil engineering projects and structures that highlight innovation. The archive also includes thought-provoking columns on legal issues, technology, ethics, and historical accomplishments.

Cirugía y Cirujanos《外科与外科医生》（双月刊）. Cirugía y Cirujanos is the official journal of the Mexican Academy of Surgery. This institution was founded in 1933 and it is both the advisory body of the Federal Government on health and social policy and the advisor of the General Health Council of Mexico. Its membership assembles more than 400 outstanding professionals of 64 medical, surgical and professional specialties from areas related to health, which has contributed to give body, structure, doctrine, mission, vision, and prestige to Mexican surgery and medicine in the international context.

CIRP Journal of Manufacturing Science and Technology《国际生产工程科学院制造科学与技术杂志》（一年8期）. The CIRP Journal of Manufacturing Science and Technology (CIRP-JMST) publishes fundamental papers on manufacturing processes, production equipment and automation, product design, manufacturing systems and production organisations up to the level of the production networks, including all the related technical, human and economic factors.