Energy saved using recycled materials versus virgin materials is up to 65%.

FORBES: Recycling Fiber (Paper)...The Basics...

And we marveled at the work of artist Bernard Pras, who recreates classic works of art using only recycled materials.

ENGADGET: Inhabitat's Week in Green: Bicymple, computer-age fossils and an underground mushroom tunnel

It says the way to reduce paper use lies in cutting consumption in industrialised countries, improving papermaking efficiency, and using more recycled paper and materials other than wood in manufacture.

BBC: Half paper waste 'could be saved'

Anatsui, 68, is famed for using wood, metal, clay and recycled materials to create artworks that are heavily influenced and inspired by indigenous traditional African cultures.

FORBES: African Art Sells For Record $850,000 At Bonhams

FieldTurf is looking at new materials: instead of gravel underneath the surface, it might start using recycled plastic tiles, which would be faster and cheaper to install.

ECONOMIST: Monitor