Ingo Arndt / Christmas Island Red Crabs (Gecarcoidea natalis) crossing closed road, during annual migration, Christmas Island, Indian Ocean, Australian Territory, November 2009.

Jean E. Roche / Flooded petrol station in Arles city flooded by the Rhone in December 2003. Camargue, France.

Jean E. Roche / Flooded cars in scrapyard in Arles city flooded by the Rhone in December 2003. Camargue, France.

Adrian Davies / Anti-fracking protest, sign attached to hedge, Balcombe, West Sussex, England. 19th August 2013.

Theo Bosboom / Beech trees (Fagus sp) after a heavy snowstorm, Rozendaalse bos, the Netherlands, November

Paul D Stewart / 1881 portrait of Charles Robert Darwin (12 February 1809 - 19 April 1882) English Naturalist and author of the Origin of Species. 1922 Hand coloured portrait aquatint of Darwin by G. Sidney Hunt after...

Juergen Freund / Crate of Spectacled flying fox (Pteropus conspicillatus) babies just arrived by plane from Brisbane after months of care, ready to be returned to the Tolga Bat Hospital for release back to the wild, A...

Michele Westmorland / Split level view of scuba diver with PR Aquanauts boat in Grenada, Caribbean. May 2009. Property released and diver model released.

Sue Flood / Sign showing the location of the North Pole, June 2008

Pat Tuson / Please recycle printed on the bottom of envelopes received through the post along with recycling and FSC logo, London, UK March 2015.

Pat Tuson / Pile of unopened envelopes containing clothing catalogues and showing recycle logo London, UK, January 2015.

Pat Tuson / Man's hands holding pile of catalogues for recycling, Holloway, London Borough of Islington, England, UK, January 2015.