RACHEL HINGLEY / Peppered moth (Biston betularia) Monkwood NR Near Worcester

Will Watson / Frozen River Severn and Worcester Cathedral on 26th December 2010. The river last froze bank-to-bank in 1961.

Will Watson / River Severn from Worcester Bridge. This is the first time the river had frozen from bank-to-bank since 1961. England, December 2010.

Will Watson / Mute Swans (Cygnus olor) swimming in icy waters with Black-headed Gulls (Larus ridibundus) and Coots (Fulica atra). The River Severn, Worcester, England, December 2010.

Peter Lewis / Snow covered bench by a footpath in the Malvern Hills. Worcester, UK, February 2010.

John Cancalosi / Man in coracle on flooded River Severn, Worcester, Worcestershire, UK, November 2000

Nick Turner / Environmental campaign poster "SAY NO TO WASTE PLANT" at Norton, Worcester

RACHEL HINGLEY / Pale tussock moth (Dasychira pudibunda) camouflaged against tree bark. Monkwood NR, near Worcester, England.

Richard Du Toit / Aerial view of low cost housing, Worcester, SW Cape, South Africa

Will Watson / People sampling pond life on Amphibian training day at Croft Castle, Herefordshire, UK

Will Watson / Pond management, de-silting village pond with digger, Worcestershire, UK

Will Watson / Grubbing out elder scrub and threatening wildlife, Worcestershire, UK