Benjamin Barthelemy / Thawing alpine lake, Vanoise National Park, Rhne-Alpes, France, June.

Andy Rouse,Andy Rouse / Waterfall from ice cliffs and polar ice cap. Austfonna Polar Ice Cap, Svalbard, Arctic. August 2011. Highly commended in the GDT competition 2013

Doug Wechsler / Vinegar flies / Fruit flies (Drosophila sp.) feeding on fermented sap or alcohol flux, Fort Washington State Park, Montgomery County, Pennsylvania, USA, June.

Christophe Courteau / Thawing sea ice in Woodfjord, Svalbard, Norway, June, 2012.

Andy Sands / Meadow pipit (Anthus pratensis) in snow, Hertfordshire, England, UK, January.

Yva Momatiuk & John Eastcott / Sand dunes of fine gypsum particles textured by wind and hiker's footprints, changing winds form cross-grooves, evening, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / Sand dunes of fine gypsum particles textured by wind, changing winds form cross-grooves, evening, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / Sand dunes of fine gypsum particles textured by wind and hiker's footprints, changing winds form cross-grooves, evening, White Sands National Park, New Mexico

Doug Allan / Inuk man placing stones on top of sealskin bag filled with Little auks (Alle alle) during preparation of kiviak, Siorapaluk, Greenland.

Doug Allan / Inuk man placing stones on top of sealskin bag filled with Little auks (Alle alle) during preparation of kiviak, Siorapaluk, Greenland.

Doug Allan / Inuk man stuffs dead Little auks (Alle alle) into seal skin bag to prepare kiviak delicacy, Siorapaluk, Greenland, August.

SCOTLAND: The Big Picture / Magpie inkcap (Coprinopsis picacea) toadstool cap deliquescing as it reaches maturity, close up, Scotland, UK. October.