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    • Efficient
  • (105)
Campbell albatross (Thalassarche impavida) in flight, silhouetted at sunset, near Campbell Islands, Sub-Antarctic New Zealand. February.
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Ole Jorgen Liodden / Campbell albatross (Thalassarche impavida) in flight, silhouetted at sunset, near Campbell Islands, Sub-Antarctic New Zealand. February.
African elephant (Loxodonta africana) rear view of large ear showing veins for efficient heat loss, Savute, Botswana  (non-ex)
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Andy Rouse / African elephant (Loxodonta africana) rear view of large ear showing veins for efficient heat loss, Savute, Botswana (non-ex)
People displaced by flooding at  Chiteskesa refugee camp,  cooking on a fuel efficient stove.  near Mulanje, Malawi. March 2015.
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Ashley Cooper / People displaced by flooding at Chiteskesa refugee camp, cooking on a fuel efficient stove. near Mulanje, Malawi. March 2015.
Members of Langdael Ambleside Mountain Rescue Team lowering a stretcher lowerm doing a stretcher lower down a crag in Langdale as part of training. UK. July 2006
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Ashley Cooper / Members of Langdael Ambleside Mountain Rescue Team lowering a stretcher lowerm doing a stretcher lower down a crag in Langdale as part of training. UK. July 2006
Celotex thermal insulation boards used by the construction indiustry to make houses more thermally efficient.
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Ashley Cooper / Celotex thermal insulation boards used by the construction indiustry to make houses more thermally efficient.
Solar panels above Vauxhall bus station, which provides a third of the bus stations energy needs. London, UK, October 2010
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Ashley Cooper / Solar panels above Vauxhall bus station, which provides a third of the bus stations energy needs. London, UK, October 2010
Solar panels above Vauxhall bus station, which provides a third of the bus stations energy needs. London, UK, October 2010
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Ashley Cooper / Solar panels above Vauxhall bus station, which provides a third of the bus stations energy needs. London, UK, October 2010
Solar panels on a building on the campus of Northumbira University, Newcastle upon Tyne, UK. March 2011
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Ashley Cooper / Solar panels on a building on the campus of Northumbira University, Newcastle upon Tyne, UK. March 2011
Solar panels on a building on the campus of Northumbira University, Newcastle upon Tyne, UK. March 2011
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Ashley Cooper / Solar panels on a building on the campus of Northumbira University, Newcastle upon Tyne, UK. March 2011
Gentoo house builder's Hutton Rise housing development in Sunderland, UK.  All of the houses have either solar thermal water heating or solar electric panels, some have both. December 2011
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Ashley Cooper / Gentoo house builder's Hutton Rise housing development in Sunderland, UK. All of the houses have either solar thermal water heating or solar electric panels, some have both. December 2011
Hutton Rise housing development in Sunderland, UK.  All of the houses have either solar thermal water heating or solar electric panels, some have both. December 2011
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Ashley Cooper / Hutton Rise housing development in Sunderland, UK. All of the houses have either solar thermal water heating or solar electric panels, some have both. December 2011
Hutton Rise housing development in Sunderland, UK.  All of the houses have either solar thermal water heating or solar electric panels, some have both. December 2011
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Ashley Cooper / Hutton Rise housing development in Sunderland, UK. All of the houses have either solar thermal water heating or solar electric panels, some have both. December 2011