Philippe Clement / Northern gannets (Morus bassanus) sitting on nests made with plastic, Hermaness NNR, Unst, Shetland Islands, Scotland, UK, May.

Philippe Clement / Northern gannets (Morus bassanus) preening, sitting on nests made with plastic, Hermaness NNR, Unst, Shetland Islands, Scotland, UK, May.

Tim Laman / Bower of Vogelkop Bowerbird (Amblyornis inornata) decorated with various types of trash and some flowers. West Papua, Indonesia, Dec 2008

Adrian Davies / Insect hotel / Artificial nest holes and shelter for insects and invertebrates, in garden, England, UK, August 2010

Adrian Davies / Insect hotel / Artificial nest holes and shelter for insects and invertebrates, in garden, England, UK, August 2010

Nick Upton / Eurasian beaver (Castor fiber) dam made from cut branches, surrounded by wet woodland. Near Lisaku, Ida-Viru County, Estonia. April.

David Woodfall / Kevin Whales picking up litter with home made cart whilst taking dog for a walk. Jaywick, Essex, England, UK, December.

Juergen Freund / Striped poison-fang blenny (Meiacanthus grammistes) swimming out of discarded bottle home, surrounded by rubbish, Sulawesi, Indonesia. November.

Juergen Freund / Shortfin Lionfish (Dendrochirus brachypterus) and two Golden coral goby (Paragobiodon xanthosoma) using rubbish as their home, Sulawesi, Indonesia. November.

Juergen Freund / Saddleback clownfish (Amphiprion polymnus) surrounded by marine trash around its anemone home, Sulawesi, Indonesia. November.

Juergen Freund / Striped poison-fang blenny (Meiacanthus grammistes) using a discarded oil container as its home, Sulawesi, Indonesia. November.

Juergen Freund / Black Banded Damselfish (Amblypomacentrus breviceps) using a discarded pot as its home, Sulawesi, Indonesia. November.

Juergen Freund / Long-spine Porcupinefish (Diodon holocanthus) in its discarded aluminum can home, North Sulawesi, Indonesia. November.

Juergen Freund / Long-spine Porcupinefish (Diodon holocanthus) in its discarded aluminum can home, North Sulawesi, Indonesia. November.

Juergen Freund / Coconut octopus (Amphioctopus marginatus) makes its home in an aluminium can, Sulawesi, Indonesia. November.

Juergen Freund / Striped poison-fang blenny (Meiacanthus grammistes) in its discarded bottle home, surrounded by rubbish, Sulawesi, Indonesia. November.

Juergen Freund / Striped poison-fang blenny (Meiacanthus grammistes) swimming above its discarded bottle home, surrounded by rubbish, Sulawesi, Indonesia. November.

SCOTLAND: The Big Picture / Gannet (Morus bassanus) with a chick attends to the nest that has discarded rope or fishing net in it, Shetland, Scotland, UK, June.

SCOTLAND: The Big Picture / Gannets (Morus bassanus) nests with the blue representing discarded rope and fishing nets incorporated into the nests, Shetland, Scotland, UK, June.

Steven David Miller / Australian brushturkey (Alectura lathami) male sitting on his nest made from a giant mound of leaves and forest litter, Lane Cove National Park, New South Wales, Queensland. July.

Duncan Murrell / Young Batak man holding a home-made hunting rifle on an almaciga tree (Agathis philippinensis) cone collecting expedition in Cleopatra's Needle Critical Habitat, Palawan, the Philippines. Septembe...

Roger Powell / Whooper Swan (Cygnus cygnus) incubating on top of a huge nest made from surrounding aquatic vegetation, with its mate swimming nearby. Limpolo, Sirkka, Finnish Lapland, June.

Roger Powell / Whooper Swan (Cygnus cygnus) incubating on top of a huge nest made from surrounding aquatic vegetation, Borselvefjellet, Porsanger, Finmark, Norway

Ashley Cooper / Van with solar panels attached at a protest against fracking at a farm site at Little Plumpton, near Blackpool, Lancashire, UK, where the council for the first time in the UK, has granted planning per...

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College, Tilonia, Rajasthan, India. December 2013

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College in Tilonia, Rajasthan, India. December 2013

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College in Tilonia, Rajasthan, India. December 2013

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College in Tilonia, Rajasthan, India. December 2013

Ashley Cooper / A solar cooker being used to cook food at the offices of WWF India, in Delhi, India. December 2013

Ashley Cooper / A solar cooker being used to cook food at the offices of WWF India, in Delhi, India. December 2013

Ashley Cooper / Women constructing solar cookers at the Barefoot College in Tilonia, Rajasthan, India. The Barefoot College is a worldwide charity, founded by Bunker Roy, its aims are, education, drinking water, elec...

Ashley Cooper / Solar cookers at the Barefoot College in Tilonia, Rajasthan, India. The Barefoot College is a worldwide charity, founded by Bunker Roy, its aims are, education, drinking water, electrification through...

Ashley Cooper / Kestrel wind turbine in Scoraig, North West Scotland, UK. This whole community is off grid, powered by renewable energy. October 2013

Ashley Cooper / Solar panels that focus the suns rays on heat exchangers to boil oil, which is then sent down to the kitchens below to heat the cookers. Muni Seva Ashram, Goraj, near Vadodara, India, December 2013.

Ashley Cooper / Kitchens with cookers powered by solar thermal heat exchangers on the roof. Muni Seva Ashram in Goraj, near Vadodara, India, December 2013.

Ashley Cooper / Solar cookers, solar food dryers and solar water purification devices, as well as solar panels for generating electricity. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Woman with solar cooker used to cook food for the school students at Muni Seva Ashram, Goraj, near Vadodara, India. December.

Ashley Cooper / Solar cookers used to cook food for school students. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Sun reflecting off mirror to make solar cooker, Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Solar panels that focus the suns rays on heat exchangers to boil oil, which is then sent down to the kitchens below to heat the cookers. This picture shows a newspaper sets on fire in the 300 degrees...

Ashley Cooper / Solar panels that focus the suns rays on heat exchangers to boil oil, which is then sent down to the kitchens below to heat the cookers. Muni Seva Ashram, Goraj, near Vadodara, India, December 2013.

Ashley Cooper / Solar powered air conditioning for the Ashram's hospital. Muni Seva Ashram in Goraj, near Vadodara, India, December 2013.

Ashley Cooper / Ashram's bio-gas plant, that is fed with food waste and manure and fuels the kitchens and the Ashram's vehicles. Muni Seva Ashram,Goraj, near Vadodara, India,

Ashley Cooper / Ashram's bio-gas plant, that is fed with food waste and manure and fuels the kitchens and the Ashram's vehicles. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Ashram's bio-gas plant, that is fed with food waste and manure and fuels the kitchens and the Ashram's vehicles. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Ashram's bio-gas plant, that is fed with food waste and manure and fuels the kitchens and the Ashram's vehicles. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Student making a fan powered by solar electricity. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Woman with solar cooker, Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Solar panels that focus the suns rays on heat exchangers to boil oil, which is then sent down to the kitchens below to heat the cookers. Muni Seva Ashram, Goraj, near Vadodara, India, December 2013.

Ashley Cooper / Solar panels that focus the sun's rays on heat exchangers to boil oil, which is then sent down to the kitchens below to heat the cookers. Muni Seva Ashram, Goraj, near Vadodara, India, December 20...

Ashley Cooper / Green house powered by wind and solar power n remote off grid community. Scoraig, Scotland, October 2013.

Ashley Cooper / Croft powered by wind and solar power in remote off grid community. Scoraig, Scotland, October 2013.

Ashley Cooper / Solar crematorium at The Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Solar crematorium at The Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Solar crematorium at The Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / House with home made small scale hydro turbine to provide electricity, Isle of Eigg, Scotland, UK, May 2012.

Nick Upton / House sparrow (Passer domesticus) using a nestbox intended for Common swifts (Apus apus) made from plastic piping, attached to the wall of a block of flats, Edgecombe, Cambridge, UK, July.

Nick Upton / Two nestboxes for Common swifts (Apus apus) made from plastic piping, attached to the wall of a block of flats, Edgecombe, Cambridge, UK, July.

Nick Upton / Five nestboxes for Common swifts (Apus apus) made from plastic piping, attached to the wall of a block of flats, Edgecombe, Cambridge, UK, July.

Nick Upton / Five nestboxes for Common swifts (Apus apus) made from plastic piping, attached to the wall of a block of flats, Edgecombe, Cambridge, UK, July.

Nick Upton / Nestbox for Common swifts (Apus apus) made from plastic piping, attached to the wall of a block of flats, Edgecombe, Cambridge, UK, July.

Nick Upton / Two multiple nestboxes for Common swifts (Apus apus) made from attached to the wall of a block of flats, Edgecombe, Cambridge, UK, July.

Alex Mustard / Snowflake moray eel (Echidna nebulosa) home amongst garbage on the seafloor, including a plastic toothpaste tube. Ambon Bay, Ambon, Maluku Archipelago, Indonesia. Banda Sea, tropical west Pacific Ocea...

Nick Upton / Hedgehog (Erinaceus europaeus) feeding on meat-based hedgehog pellets in a home-made hedgehog feeder box with a narrow entrance designed to exclude cats and foxes, at night, suburban garden, Chippenha...

Nick Upton / Hedgehog (Erinaceus europaeus) feeding on meat-based hedgehog pellets in a home-made hedgehog feeder box with a narrow entrance designed to exclude cats and foxes, at night, suburban garden, Chippenha...

Nick Upton / Home-made Hedgehog house positioned in a suburban garden along with straw bedding by home-owner, Chippenham, Wiltshire, UK, August. Model released. Property released.

Nick Upton / Hedgehog (Erinaceus europaeus) feeding on meat-based hedgehog pellets in a home-made hedgehog feeder box with a narrow entrance designed to exclude cats and foxes, at night, suburban garden, Chippenha...

Nick Upton / Hedgehog (Erinaceus europaeus) leaving a home-made hedgehog feeder box with a narrow entrance, designed to exclude cats and foxes, after feeding on meat-based hedgehog pellets, at night, suburban gard...

Nick Upton / Home-made Hedgehog house positioned in a suburban garden along with straw bedding by home-owner, Chippenham, Wiltshire, UK, August. Model released.

Nick Upton / Hedgehog (Erinaceus europaeus) feeding on meat-based hedgehog pellets in a home-made hedgehog feeder box with a narrow entrance designed to exclude cats and foxes, at night, suburban garden, Chippenha...

Nick Upton / Hedgehog (Erinaceus europaeus) feeding on meat-based hedgehog pellets in a home-made hedgehog feeder box with a narrow entrance designed to exclude cats and foxes, at night, suburban garden, Chippenha...

Nick Upton / Hedgehog (Erinaceus europaeus) entering a home-made hedgehog feeder box to feed on meat-based hedgehog pellets at night, suburban garden, Chippenham, Wiltshire, UK, August. Taken with a remote camera...

Nick Upton / Hedgehog (Erinaceus europaeus) drinking in a home-made hedgehog feeder box with a narrow entrance designed to exclude cats and foxes, suburban garden, Chippenham, Wiltshire, UK, August.

SCOTLAND: The Big Picture / Sign warning of lambs / sheep on road, Sutherland, Scotland, UK

SCOTLAND: The Big Picture / Sign warning of lambs / sheep on road, Sutherland, Scotland, UK

Philippe Clement / Old overgrown anthill of Red wood ants (Formica rufa) made of conifer needles in woodland, Abernethy Forest, Scotland, UK, September 2016.

Philippe Clement / Information / conservation sign about Red wood ants / Horse ant (Formica rufa) nests made of conifer needles, Abernethy Forest, Scotland, September

Roger Powell / Common gull (Larus canus) incubating in a nesting tray. These man-made structures were originally erected to ensure a fresh supply of eggs but are now part of a conservation programme.Porsanger fjord,...

Milan Radisics / European beewolf (Philanthus triangulum) nest structure made from pouring plaster into an abandoned nest hole., Budapest, Hungary

Pascal Kobeh / A skull in the engine room of the wreck of the Yamagiri Maru, a passenger cargo boat used as a naval military auxiliary. Japan has made recovery efforts and has removed many bodies and returned them...

Gerrit Vyn / Common raven (Corvus corax) nestlings on man made tower outside village. Man made structures have increased the number of ravens, which has led to increased predation on may Arctic nesting birds, nest...

Gerrit Vyn / Ferruginous hawk (Buteo regalis) nest made of sage branches on a bluff. Sublette County, Wyoming, USA. May.

Staffan Widstrand / Ancient style bee hives, known as a bee gum, made from hollowed out logs, Musteika Village, Lithuania, May 2015.

Staffan Widstrand / Ancient style bee hives, known as a bee gum, made from hollowed out logs, Musteika Village, Lithuania, May 2015.

Staffan Widstrand / Ancient style bee hives, known as a bee gum, made from hollowed out logs, Musteika Village, Lithuania, May 2015.

MYN / Tim Hunt / Caddisfly (Trichoptera) larva with home made of leaves, Garden pond, Worcestershire, UK

Kim Taylor / Photographer Kim Taylor using homemade camera and flash equipment for close-up photography in garden, July 2013.

Philippe Clement / Mason bee / builder bee (Osmia cornuta) at man-made 'insect hotel' for solitary bees, sealing nest cavity with mud, Belgium, April.

Philippe Clement / Mason bee / builder bee (Osmia cornuta) at man-made 'insect hotel' for solitary bees, sealing nest cavity with mud, Belgium, April.

Philippe Clement / Man-made 'insect hotel' offering artificial nesting facilities for solitary bees and cavities for hibernating ladybirds and other insects. Made from reed and bamboo stems, drilled holes in woodblocks,...

Philippe Clement / Man-made 'insect hotel' offering artificial nesting facilities for solitary bees and cavities for hibernating ladybirds and other insects.

Philippe Clement / Man-made 'insect hotel' offering artificial nesting facilities for solitary bees and cavities for hibernating ladybirds and butterflies.

Philippe Clement / Mason bee / builder bee (Osmia cornuta) laden with pollen and nectar, entering nest in man-made 'insect hotel' for solitary bees. Belgium, April.

Philippe Clement / Mason bee / builder bee (Osmia cornuta) laden with pollen and nectar, entering nest in man-made 'insect hotel' for solitary bees. Belgium, April.

Philippe Clement / Mason bee / builder bee (Osmia cornuta) laden with pollen and nectar, entering nest in man-made 'insect hotel' for solitary bees. Belgium, April.

Steve O. Taylor (GHF) / Men in village playing on home made four string guitars on road to Katanga, Democratic Republic of Congo, March 2012.