Doug Gimesy / Tim Flannery in summer clothing, reading his best-selling book 'The Weather Makers' on an icy pebble beach, Robert Point, Antarctic Peninsula, Antarctica, to illustrate the warming of the Anta...

Guy Edwardes / Portland Bill Lighthouse, Isle of Portland, Dorset, England, UK. November 2015.

Guy Edwardes / Porth Nanven, Cot Valley, Porth Nanven, Cornwall, England, UK. September 2017.

Ashley Cooper / Plastic debris washed ashore from the sea at Talisker Bay on the Isle of Skye, Scotland, UK. February 2012

Floris van Breugel / Glass beach at sunset - a former dump site, in which the glass has now become pebbles of sea glass. MacKerricher State Park. California. USA. January 2013

Laurie Campbell / Cliff scenery at North Hoy, Hoy, Orkney, Scotland, July 2008

Colin Varndell / Adder (Vipera berus) basking on pebble beach. Abbotsbury, Dorset, UK, March.

Colin Varndell / Adult Adder (Vipera berus) basking on pebble beach. Abbotsbury, Dorset, UK, March.

Wild Wonders of Europe / Lilja / Petra tou Romiou (Aphrodite's Rock) Pissouri Bay pebble beach, near Paphos, Cyprus, March 2009

Pete Oxford / Gentoo penguin (Pygoscelis papua) jumping out of the sea to land on beach, Pebble Island, Falkland Islands

Kirkendall-Spring / Waves surging onto a pebble beach, Monterey Coast, California, USA

David Noton / Sunrise at Scabbacombe, Devon, England.

Graham Eaton / A small normal / extension fault displacing Jurassic age limestone and shale, along the coast, Kilve, Somerset. UK. August, 2012.

Doug Perrine / Hawaiian octopus / Night octopus (Octopus hawiiensis) on a reef, Black Pebble Beach, Big Island, Hawaii, Pacific Ocean.

Robert Thompson / Waterfall in secluded coastal cave, near Largy, County Donegal, Ireland. September, 2021.

Robin Chittenden / Little tern (Sterna albifrons) adult carrying a sprat in its mouth, Norfolk, UK. August.

Robin Chittenden / Little tern (Sterna albifrons) juvenile lying down on beach pebbles, Norfolk, UK. August.

Robin Chittenden / Sick and weak Guillemot (Uria aalge) moribund on beach, Blakeney Point, Norfolk, UK. October.

Konrad Wothe / Sunset at Hornvik Bay, Hornstrandir Nature Reserve, Iceland. March.

Guy Edwardes / Sunset at Porth Ledden, Cape Cornwall, England, UK. September, 2019.

Doug Perrine / Day octopus (Octopus cyanea) exhibiting white spot startle colour pattern, Pebble Beach, South Kona, Hawaii. Central Pacific Ocean.

David Noton / Pebbles on the beach, Taracliff Bay, Mainland, Orkney Isles, Scotland. October 2020.

David Noton / Rocks and seaweed on the beach at Skaill, west coast of Mainland, Orkney Isles, Scotland. October 2020.

Doug Gimesy / Royal penguin (Eudyptes schlegeli) collects a pebble for its nest on the beach. Sandy bay, Macquarie Island, Australian Territory.

Doug Gimesy / Shoreline rocks and coastal bush at Tagua Bay. Auckland Island, New Zealand. December, 2014

Robin Chittenden / Iceland gull (Larus glaucoides) standing on pebble beach, Weybourne, Norfolk, UK. December.

John Waters / Eastern coast of Kintyre Peninsula, overlooking Kilbrannan Sound with Isle of Arran in distance, Argyll, Scotland, UK, September.

John Waters / Eastern coast of Kintyre Peninsula, over looking Kilbrannan Sound with Isle of Arran in distance, Argyll, Scotland, UK, September 2020

Terry Whittaker / Arctic fox (Vulpes lagopus), blue colour morph in winter coat alongside river on snow and ice covered pebble beach. Hornstrandir Nature Reserve, Iceland. February 2020.

Ashley Cooper / Plastic fishing gear washed ashore onto pebble beach. Robert Island, South Shetland Islands, Antarctica. January 2020.

Robert Thompson / Pebbles on shoreline, cliffs along coast beyond. Bloody Foreland, Knockfola, County Donegal, Ireland. June 2020.

Guy Edwardes / Coastline with pebble beach and sea stacks. Playa de Benijo, Tenerife, Canary Islands, Spain. March 2020.

Guy Edwardes / Dunstanburgh Castle at sunrise, viewed across pebble beach on Embleton Bay. Northumberland, England, UK. December 2018.

Ross Hoddinott / Blackchurch Rock at Mouth Mill, near Browhsham / Clovelly, last light, North Devon, UK. April 2019.

Philippe Clement / Sunbathers and colourful beach cabins on shingle beach / pebble beach at Criel-sur-Mer in summer, Seine-Maritime, Normandy, France, June 2019

Guy Edwardes / Axmouth Undercliff with waves crashing onto pebble beach Jurassic Coast World Heritage Site, Axmouth, Seaton, Devon, England, UK. November 2006

Guy Edwardes / Dunstanburgh Castle at dawn, Northumberland, England, UK, February 2008.

Edwin Giesbers / Volcanic stones on beach, Madeira.

David Woodfall / Little tern (Sterna albifrons) nesting in scrape on pebble shingle beach, County Wicklow, Ireland, June.

David Woodfall / Little Tern (Sterna albifrons) arriving at the nest on pebble shingle after fishing for sand eels, County Wicklow, Ireland, June.

David Woodfall / Little Tern (Sterna albifrons) arriving at the nest on pebble shingle after fishing for sand eels, County Wicklow, Ireland, June.

Lynn M. Stone / Waves along Olga Bay at sunset; Kodiak Island, Alaska, USA. September 2018.

Lynn M. Stone / Waves along Olga Bay at sunset; Kodiak Island, Alaska, USA. September 2018.

Guy Edwardes / Pebbles on Nash Point, Monknash Coast, Vale of Glamorgan, Wales, UK, June 2006.