Part 1 Eco-efficiency of Portland cement concrete: Environmental impact of Portland cement production Low binder intensity eco-efficient concretes Life cycle assessment (LCA) aspects of concrete. Part 2 Concrete with supplementary cementitious materials (SCMs): Natural pozzolans in eco-efficient concrete Artificial pozzolans in eco-efficient concrete Tests to evaluate pozzolanic activity in eco-efficient concrete Properties of concrete with high volume pozzolans Influence of supplementary cementitious materials (SCMs) on concrete durability Performance of self- compacting concrete (SCC) with high volume SCMs High volume ground granulated blast furnace slag (GGBFS) concrete Recycled glass concrete. Part 3 Concrete with non-reactive wastes: Municipal solid waste incinerator (MSWI) concrete Concrete with polymeric wastes Concrete with construction and demolition wastes (CDW) An eco-efficient approach to concrete carbonation Concrete with polymers. Part 4 Future alternative binders and use of nano and biotech: Alkali-activated based concrete Sulfoaluminate cement Reactive magnesia cement Nanotechnology for eco-efficient concrete Biotechconcrete: An innovative approach for concrete with enhanced durability.