Potential Long-Term Global Environmental Implications of Efficient Light-Source Technologies

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Potential Long-Term Global Environmental Implications of Efficient Light-Source Technologies. / Bergesen, Joseph D.; Tähkämö, Leena; Gibon, Thomas; Suh, Sangwon.

In: Journal of Industrial Ecology, Vol. 20, No. 2, 04.2016, p. 263-275.

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Bergesen, Joseph D. ; Tähkämö, Leena ; Gibon, Thomas ; Suh, Sangwon. / Potential Long-Term Global Environmental Implications of Efficient Light-Source Technologies. In: Journal of Industrial Ecology. 2016 ; Vol. 20, No. 2. pp. 263-275.

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@article{5fdf1142a6ec4e60a15fc667a9f20885,
title = "Potential Long-Term Global Environmental Implications of Efficient Light-Source Technologies",
abstract = "Artificial lighting is a major source of electricity demand globally. As the demand for lighting services grows over the next 40 years, especially in developing countries, efficient light-source technologies such as light-emitting diodes (LEDs) can reduce the energy consumed for lighting services and therefore its environmental impacts. LED technologies in both residential and commercial/industrial applications are expected to see dramatic improvements in luminous efficacy over the coming decades, potentially leading to more environmentally benign lighting. A scenario-based, integrated hybrid life cycle assessment quantifies and confirms the environmental benefits of deploying efficient light sources in all global regions through 2050, with electricity generation following the International Energy Agency's (IEA) BLUE Map scenario for limiting climate change to 2 degrees Celsius. Data used for previous assessments of light sources is updated and harmonized to reflect recent and expected future improvements in luminous efficacy and materials efficiency for LED lamps and luminaires. The aggregate life cycle greenhouse gas (GHG) emissions of global light provision can be reduced by more than a factor of 7 owing to decarbonization of electricity generation, increased adoption of efficient light sources, and future advances in LED technology. Estimates of the technological capability and market penetration of efficient light sources show that by 2050, a 2.5 to 2.9 times growth in the global demand for lighting services can be accommodated while still meeting IEA GHG mitigation goals and increasing metal depletion just 20{\%} above 2010 estimates.",
keywords = "energy efficiency, hybrid life cycle assessment, industrial ecology, light-emitting diodes (LEDs), scenario assessment, solid-state lighting, LIFE-CYCLE ASSESSMENT, EMITTING-DIODES, EMISSIONS, IMPACTS, CONSUMPTION",
author = "Bergesen, {Joseph D.} and Leena T{\"a}hk{\"a}m{\"o} and Thomas Gibon and Sangwon Suh",
year = "2016",
month = "4",
doi = "10.1111/jiec.12342",
language = "English",
volume = "20",
pages = "263--275",
journal = "Journal of Industrial Ecology",
issn = "1088-1980",
publisher = "Wiley",
number = "2",

}

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TY - JOUR

T1 - Potential Long-Term Global Environmental Implications of Efficient Light-Source Technologies

AU - Bergesen, Joseph D.

AU - Tähkämö, Leena

AU - Gibon, Thomas

AU - Suh, Sangwon

PY - 2016/4

Y1 - 2016/4

N2 - Artificial lighting is a major source of electricity demand globally. As the demand for lighting services grows over the next 40 years, especially in developing countries, efficient light-source technologies such as light-emitting diodes (LEDs) can reduce the energy consumed for lighting services and therefore its environmental impacts. LED technologies in both residential and commercial/industrial applications are expected to see dramatic improvements in luminous efficacy over the coming decades, potentially leading to more environmentally benign lighting. A scenario-based, integrated hybrid life cycle assessment quantifies and confirms the environmental benefits of deploying efficient light sources in all global regions through 2050, with electricity generation following the International Energy Agency's (IEA) BLUE Map scenario for limiting climate change to 2 degrees Celsius. Data used for previous assessments of light sources is updated and harmonized to reflect recent and expected future improvements in luminous efficacy and materials efficiency for LED lamps and luminaires. The aggregate life cycle greenhouse gas (GHG) emissions of global light provision can be reduced by more than a factor of 7 owing to decarbonization of electricity generation, increased adoption of efficient light sources, and future advances in LED technology. Estimates of the technological capability and market penetration of efficient light sources show that by 2050, a 2.5 to 2.9 times growth in the global demand for lighting services can be accommodated while still meeting IEA GHG mitigation goals and increasing metal depletion just 20% above 2010 estimates.

AB - Artificial lighting is a major source of electricity demand globally. As the demand for lighting services grows over the next 40 years, especially in developing countries, efficient light-source technologies such as light-emitting diodes (LEDs) can reduce the energy consumed for lighting services and therefore its environmental impacts. LED technologies in both residential and commercial/industrial applications are expected to see dramatic improvements in luminous efficacy over the coming decades, potentially leading to more environmentally benign lighting. A scenario-based, integrated hybrid life cycle assessment quantifies and confirms the environmental benefits of deploying efficient light sources in all global regions through 2050, with electricity generation following the International Energy Agency's (IEA) BLUE Map scenario for limiting climate change to 2 degrees Celsius. Data used for previous assessments of light sources is updated and harmonized to reflect recent and expected future improvements in luminous efficacy and materials efficiency for LED lamps and luminaires. The aggregate life cycle greenhouse gas (GHG) emissions of global light provision can be reduced by more than a factor of 7 owing to decarbonization of electricity generation, increased adoption of efficient light sources, and future advances in LED technology. Estimates of the technological capability and market penetration of efficient light sources show that by 2050, a 2.5 to 2.9 times growth in the global demand for lighting services can be accommodated while still meeting IEA GHG mitigation goals and increasing metal depletion just 20% above 2010 estimates.

KW - energy efficiency

KW - hybrid life cycle assessment

KW - industrial ecology

KW - light-emitting diodes (LEDs)

KW - scenario assessment

KW - solid-state lighting

KW - LIFE-CYCLE ASSESSMENT

KW - EMITTING-DIODES

KW - EMISSIONS

KW - IMPACTS

KW - CONSUMPTION

U2 - 10.1111/jiec.12342

DO - 10.1111/jiec.12342

M3 - Article

VL - 20

SP - 263

EP - 275

JO - Journal of Industrial Ecology

JF - Journal of Industrial Ecology

SN - 1088-1980

IS - 2

ER -

ID: 4300205