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Adult fin whales (Balaenoptera physalus), feeding on krill near Coronation Island, South Orkney Islands, Antarctica, Polar Regions

Broch of Gurness, an Iron Age village on the Mainland island of Orkney, Scotland, United Kingdom, Europe

North Gaulton Castle sea stack on the wild west coast of Mainland, Orkney, Scotland, United Kingdom, Europe

Chinstrap penguins (Pygoscelis antarcticus), on the beach at Coronation Island, South Orkney Islands, Antarctica, Polar Regions

Chinstrap penguin (Pygoscelis antarcticus), on eggs at Coronation Island, South Orkney Islands, Antarctica, Polar Regions

A curious male leopard seal (Hydrurga leptonyx), underwater at Monroe Island, South Orkney Islands, Antarctica, Polar Regions

Gentoo penguins (Pygoscelis papua), on ice in Shingle Cove, Coronation Island, South Orkney Islands, Antarctica, Polar Regions

Cape petrel flying over iceberg near Coronation Island, South Orkney Islands, Antarctica, Polar Regions

The Standing Stones of Stenness, UNESCO World Heritage Site, Orkney Islands, Scotland, United Kingdom, Europe

Dramatic layered cliffs at Burwick on South Ronaldsay, Orkney Islands, Scotland, United Kingdom, Europe

Adult Southern fulma (Fulmarus glacialoides) in flight at Coronation Island, South Orkney Islands, Antarctica, Polar Regions

Adult Adelie penguin (Pygoscelis adeliae), Coronation Island, South Orkney Islands, Antarctica, Polar Regions

Adult Adelie penguin (Pygoscelis adeliae), Coronation Island, South Orkney Islands, Antarctica, Polar Regions

Old Red Sandstone ledges at the Bay of Skaill, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Interior of St. Magnus Cathedral, dating from 1137, built of sandstone, and one of the best preserved in Scotland, Kirkwall, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Skara Brae, neolithic village dating from between 3200 and 2200 BC, UNESCO World Heritage Site, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Skara Brae, neolithic village dating from between 3200 and 2200 BC, UNESCO World Heritage Site, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Skara Brae, neolithic village dating from between 3200 and 2200 BC, UNESCO World Heritage Site, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Ring of Brodgar stone circle dating from between 2500 and 2000 BC, 27 stones of 60 still standing, UNESCO World Heritage Site, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

One of eight stone houses with stone furniture including beds, a central hearth and stone dresser, Skara Brae, neolithic village dating from between 3200 and 2200 BC, UNESCO World Heritage Site, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Old Man of Hoy, sandstone sea stack 137m high, with ferry in background, Hoy, Orkney Islands, Scotland, United Kingdom, Europe

Stromness harbour, morning light, from the ferry, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Rocky Coast and Yesnaby castle, a sea stack, near Yesnaby, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

St. Magnus Cathedral, dating from 1137, built of sandstone, and one of the best preserved in Scotland, Kirkwall, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Yesnaby Castle sea stack, rock eroded by the sea, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Central chamber and side chambers built into the centre of the walls, Maes Howe chambered cairn, dating from 2700 BC, part of Central Mainland UNESCO World Heritage Site, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Maes Howe chambered cairn, dating from 2700 BC, part of Central Mainland UNESCO World Heritage Site, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Yesnaby Castle sea stack, rock eroded by the sea, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

A Campbell Stokes Sunshine Recorder, which measures hours of sunlight at Base Orcadas, which is an Argentine scientific station in Antarctica, and the oldest of the stations in Antarctica still in operation. It is located on Laurie Island, one of the South Orkney Islands, just off the Antarctic Peninsular. The Antarctic Peninsular is one of the fastest warming places on the planet.

Base Orcadas is an Argentine scientific station in Antarctica, and the oldest of the stations in Antarctica still in operation. It is located on Laurie Island, one of the South Orkney Islands, just off the Antarctic Peninsular. The Antarctic Peninsular is one of the fastest warming places on the planet.

Supplies at Base Orcadas which is an Argentine scientific station in Antarctica, and the oldest of the stations in Antarctica still in operation. It is located on Laurie Island, one of the South Orkney Islands, just off the Antarctic Peninsular. The Antarctic Peninsular is one of the fastest warming places on the planet.

Supplies at Base Orcadas which is an Argentine scientific station in Antarctica, and the oldest of the stations in Antarctica still in operation. It is located on Laurie Island, one of the South Orkney Islands, just off the Antarctic Peninsular. The Antarctic Peninsular is one of the fastest warming places on the planet.

Base Orcadas is an Argentine scientific station in Antarctica, and the oldest of the stations in Antarctica still in operation. It is located on Laurie Island, one of the South Orkney Islands, just off the Antarctic Peninsular. The Antarctic Peninsular is one of the fastest warming places on the planet.

Base Orcadas is an Argentine scientific station in Antarctica, and the oldest of the stations in Antarctica still in operation. It is located on Laurie Island, one of the South Orkney Islands, just off the Antarctic Peninsular. The Antarctic Peninsular is one of the fastest warming places on the planet.

Icebergs off the South Orkney Islands, just off the Antarctic Peninsular. This area is one of the most rapidly warming areas of the planet.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - out testing with the Scotrenewables machine off Kirwall - Scotrenewables Tidal Power Ltd is a renewable energy research and development business based in the Orkney Islands.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - Tidal Generation Limited - backed by Rolls Rpyce -TGL is are currently operating a 500kWe concept demonstrator unit at The European Marine Energy Centre (EMEC) Tidal site in Orkney. This has been generating since September 2010 and provides power for up to 300 homes.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - out testing with the Scotrenewables machine off Kirwall - Scotrenewables Tidal Power Ltd is a renewable energy research and development business based in the Orkney Islands.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - out testing with the Scotrenewables machine off Kirwall - Scotrenewables Tidal Power Ltd is a renewable energy research and development business based in the Orkney Islands.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - The Pelamis Wave Power machine in Orkney - alongside in Lyness - the machine is the P2 . The Pelamis absorbs the energy of ocean waves and converts it into electricity. The machine floats semi-submerged on the surface of the water and is made up of a number of cylindrical sections joined together by hinged joints. As waves pass down the length of the machine these sections flex relative to one another. The motion at each hinged joint is resisted by hydraulic cylinders which pump fluid into high pressure accumulators allowing electrical generation to be smooth and continuous. Control of the resistance applied by the hydraulic cylinders allows generation to be maximised when waves are small, and the machine response to be minimised in storms. All generation systems are sealed and dry inside the machines and power is transmitted to shore using standard subsea cables and equipment.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - Tidal Generation Limited - backed by Rolls Rpyce -TGL is are currently operating a 500kWe concept demonstrator unit at The European Marine Energy Centre (EMEC) Tidal site in Orkney. This has been generating since September 2010 and provides power for up to 300 homes.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - out testing with the Scotrenewables machine off Kirwall - Scotrenewables Tidal Power Ltd is a renewable energy research and development business based in the Orkney Islands.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - The Pelamis Wave Power machine in Orkney - alongside in Lyness - the machine is the P2 . The Pelamis absorbs the energy of ocean waves and converts it into electricity. The machine floats semi-submerged on the surface of the water and is made up of a number of cylindrical sections joined together by hinged joints. As waves pass down the length of the machine these sections flex relative to one another. The motion at each hinged joint is resisted by hydraulic cylinders which pump fluid into high pressure accumulators allowing electrical generation to be smooth and continuous. Control of the resistance applied by the hydraulic cylinders allows generation to be maximised when waves are small, and the machine response to be minimised in storms. All generation systems are sealed and dry inside the machines and power is transmitted to shore using standard subsea cables and equipment.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - out testing with the Scotrenewables machine off Kirwall - Scotrenewables Tidal Power Ltd is a renewable energy research and development business based in the Orkney Islands.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - Tidal Generation Limited - backed by Rolls Rpyce -TGL is are currently operating a 500kWe concept demonstrator unit at The European Marine Energy Centre (EMEC) Tidal site in Orkney. This has been generating since September 2010 and provides power for up to 300 homes.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - The Pelamis Wave Power machine in Orkney - alongside in Lyness - the machine is the P2 . The Pelamis absorbs the energy of ocean waves and converts it into electricity. The machine floats semi-submerged on the surface of the water and is made up of a number of cylindrical sections joined together by hinged joints. As waves pass down the length of the machine these sections flex relative to one another. The motion at each hinged joint is resisted by hydraulic cylinders which pump fluid into high pressure accumulators allowing electrical generation to be smooth and continuous. Control of the resistance applied by the hydraulic cylinders allows generation to be maximised when waves are small, and the machine response to be minimised in storms. All generation systems are sealed and dry inside the machines and power is transmitted to shore using standard subsea cables and equipment.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - The Pelamis Wave Power machine in Orkney - alongside in Lyness - the machine is the P2 . The Pelamis absorbs the energy of ocean waves and converts it into electricity. The machine floats semi-submerged on the surface of the water and is made up of a number of cylindrical sections joined together by hinged joints. As waves pass down the length of the machine these sections flex relative to one another. The motion at each hinged joint is resisted by hydraulic cylinders which pump fluid into high pressure accumulators allowing electrical generation to be smooth and continuous. Control of the resistance applied by the hydraulic cylinders allows generation to be maximised when waves are small, and the machine response to be minimised in storms. All generation systems are sealed and dry inside the machines and power is transmitted to shore using standard subsea cables and equipment.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - Tidal Generation Limited - backed by Rolls Rpyce -TGL is are currently operating a 500kWe concept demonstrator unit at The European Marine Energy Centre (EMEC) Tidal site in Orkney. This has been generating since September 2010 and provides power for up to 300 homes.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - out testing with the Scotrenewables machine off Kirwall - Scotrenewables Tidal Power Ltd is a renewable energy research and development business based in the Orkney Islands.

Orkney Islands Sept 2011 Wave and Tidal Power shoot - Tidal Generation Limited - backed by Rolls Rpyce -TGL is are currently operating a 500kWe concept demonstrator unit at The European Marine Energy Centre (EMEC) Tidal site in Orkney. This has been generating since September 2010 and provides power for up to 300 homes.