Ross Hoddinott / 2020VISION / Dew covered spider's web with pink flowering heather in the background, Arne RSPB reserve, Dorset, England, UK, August. Did you know? Spiders silk is one of the strongest materials in nature, equallin...

Juergen Freund / Newly harvested Mangrove timber getting cleaned in the sea. The red bark has been taken off causing an orange red tint in the shallow water. Raja Ampat, West Papua, Indonesia, February 2010

Shattil & Rozinski / Man wearing Level-B Hazmat (Hazardous Materials Contamination) Suit, USA, 1993. Model released.

Sumio Harada / Columbian Ground Squirrel (Spermophilus columbianus) carrying nesting materials, Glacier National Park, Montana

David Woodfall / High end glass art piece created from recycled art project using recycled materials with unemployed and disabled volunteers, Res a Rec project, Hafod Swansea, Wales, UK 2009

David Woodfall / Swansea city council recycling team collecting domestic recycled materials in urban terraced house area, Hafod Swansea, Wales, UK 2009

David Woodfall / Young volunteers help create raised planting beds for growing food, Down to Earth environmental project, Murton, Gower, South Wales, UK 2009

Michael Quinton / American Pika (Ochotona princeps) collecting nesting materials, Yukon, Canada

Juergen Freund / Newly harvested Mangrove timber getting cleaned in the sea. The red bark has been taken off causing an orange red tint in the shallow water. Raja Ampat, West Papua, Indonesia, February 2010.

John Cancalosi / Northern gannet (Morus bassanus) with nesting materials. Canada, October 2005

Fabio Liverani / Chaffinch (Fringilla coelebs tintillon) female gathering nesting material, Garajonay National Park, La Gomera, Canary Islands, Spain

SINCLAIR STAMMERS / Dry rot (Serpula lacrymans) spores. These are incredibly damaging to indoor wood construction materials in temperate regions. Spore size is 8-10um length. UK

SINCLAIR STAMMERS / Dry rot (Serpula lacrymans) spores. These are incredibly damaging to indoor wood construction materials in temperate regions. Spore size is 8-10um length. UK

SINCLAIR STAMMERS / Dry rot (Serpula lacrymans) fungus. These are incredibly damaging to indoor wood construction materials in temperate regions. UK

Inaki Relanzon / Woman working in a traditional silk factory, Inle Lake, Shan State, Myanmar, Burma August 2009

Patricio Robles Gil / Traditional machinery for harvesting and weaving sisal materials in an ancient Hacienda, Yucatan, Mexico

Patricio Robles Gil / Traditional machinery for harvesting and weaving sisal materials in an ancient Hacienda, Yucatan, Mexico

Tim Laman / Local guides constructing a photography blind at a Lawes' parotia (Parotia lawesii) court using forest materials, Crater Mountain Wildlife Management Area, Eastern Highlands Province, Papua New Guinea...

Tom Gilks / Artisan with toy car crafted from recycled materials, Dakar, Senegal, 2008

Tom Gilks / Toy cars crafted from recycled materials, Dakar, Senegal, 2008

Tom Gilks / Artisan with toy cars crafted from recycled materials, Dakar, Senegal, 2008

Tom Gilks / Artisan with toy cars crafted from recycled materials, Dakar, Senegal, 2008

Tom Gilks / Artisan with toy cars crafted from recycled materials, Dakar, Senegal, 2008

Tom Gilks / Artisan with toy cars crafted from recycled materials, Dakar, Senegal, 2008

Tom Gilks / Artisan apprentice making toy car from recycled materials, Dakar, Senegal, 2008

Tom Gilks / Artisan apprentice making toy car from recycled materials, Dakar, Senegal, 2008

Tom Gilks / Artisan apprentice making toy car from recycled materials, Dakar, Senegal 2008

Tom Gilks / Artisan with toy car crafted from recycled materials, Dakar, Senegal, 2008

Tom Gilks / Artisan apprentice making toy car from recycled materials, Dakar, Senegal, 2008

Kevin Schafer / Australian Gannet (Morus serrator) male carrying nesting materials, New Zealand

Juan Manuel Borrero / Sun-dried bricks lined up in Morocco December 2007

Juan Manuel Borrero / Sun-dried bricks lined up in Morocco December 2007

Shattil & Rozinski / Man wearing Level-A Hazmat (Hazardous Materials Contamination) Suit, USA, 1993

Roger Powell / Grey heron {Ardea cinerea} parachuting down towards nest with nesting materials, Evora, Portugal

Jose B. Ruiz / Male Cirl bunting {Emberiza cirlus} at nest with chicks, carrying nesting materials in beak, in vinyard, Potes, Picos de Europa, Asturias, Spain

Thomas Marent / Termites carrying building materials back to nest, Sumatra, Indonesia

Gary K. Smith / Male Bearded tit {panurus biarmicus} perching on Phragmites reed with nest materials, Norfolk, UK, April

Jabruson / Bantu villager constructing house from forest materials, Epulu Ituri NR, Congo

Nature Production / Great Egret {Ardea alba} male (left) passing materials for building a nest to female (right), Kanagawa, Japan

Nature Production / Ezo Chipmunk {Tamias / Eutamias sibiricus lineatus} carrying materials in its mouth to build a nest, Hokkaido, Japan

Shattil & Rozinski / Anna's hummingbird {Calypte anna} female on nest made of thread and other materials, Arizona, USA

Jean E. Roche / Mud brick production, Timimoun, Algeria

Jason Smalley / Canes laid down in a pile and filled with various materials to encourage insects in a garden, UK.

Pete Cairns / Sign at Old Faithful, relating to use of recycled materials, Yellowstone National Park, USA.

Sumio Harada / Red Squirrel (Tamiasciurus hudsonicus) mother bringing new nesting materials to nest with her 30 day old babies in it, Rocky Mountains, North America

Gertrud & Helmut Denzau / An 'Ovoo', a pile of rocks and natural materials at which offerings are made. Gobi Desert, Mongolia.

Jose B. Ruiz / Artificial reef created by anchoring materials to seabed. Mediterranean

Jabruson / Giant elephant shrew with nest material {Rhynchocyon cirnei stuhlmanni} Epulu, Ituri Reserve, Zaire Democratic Republic of Congo