Monday 14th October 2019
Monday, 14th of October 2019
Home / Human Settlement / Copenhagen, Oslo, Stockholm Mayors commit to clean construction

Copenhagen, Oslo, Stockholm Mayors commit to clean construction

Research released on Tuesday, October 8, 2019 reveals changes to the construction industry could cut the emissions generated from buildings and infrastructure 44% by 2050. The report, published by C40 Cities, Arup and University of Leeds, is titled: “Building and Infrastructure Consumption Emissions”.

Copenhagen Denmark
Copenhagen, Denmark

It urges action in six key areas to reduce the climate impact of construction in cities by:

  • Implementing efficiency in material design
  • Enhancing existing building utilisation
  • Switching high-emission materials to sustainable timber where appropriate
  • Using lower-carbon cement
  • Reusing building materials and components
  • Using low, or zero-emission construction machinery

As well as reducing GHG emissions, the research reveals the additional economic, social and health benefits that “clean” construction could generate. The interventions identified in the research would reduce air and noise pollution, providing health benefits for citizens and the environment. They would also spark change within the growing construction economy, providing opportunities for new jobs and skills.

Cities are starting to take act on construction to address the climate impact of their consumption.

Copenhagen, Oslo and Stockholm will now reduce the greenhouse gas emissions and air pollution from construction sites, in the effort to solve the climate crisis and improve public health. Frank Jensen, Lord Mayor of Copenhagen and Raymond Johansen, Governing Mayor of Oslo, on Tuesday announced their ambition to reduce the use of fossil fuels in construction sites and civil works. The mayors pledged to enact regulations and/or planning policy to ensure they: purchase biofuels and emission free machinery for the city’s own use, and demand fossil-and emission free solutions in public procurement and city supported projects.

In Oslo, all city-owned machinery and municipally or owned construction sites will operate with zero emissions by 2025.Copenhagen’s CPH2025 Climate Plan, roadmap 2017-2020, includes a goal for the City to use fossil-free fuels in its own non-road mobile machinery. In the budget for 2020 Copenhagen have decided to promote a transformation from fossil fuels to sustainable biofuels, and to fossil-free non-road mobile machinery in its own machines and strengthen efforts that municipally commissioned construction sites and civil work will be fossil-free.

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“Copenhagen will work to purchase fossil-free fuel for its own machinery and heavy vehicles, pilot projects with tender requirements for fossils-or emission-free construction machinery in construction projects,” said Frank Jensen, Lord Mayor of Copenhagen, and C40 Vice Chair. “We will also collaborate with market players to make them use fossil-free fuels.”

“In Oslo, construction sites generate as much as 7 percent of total emissions, equivalent to an additional 30,000 petrol cars on the road,” said, Raymond Johansen, Governing Mayor of Oslo. “New kindergartens, schools, sports halls will in future be built emissions-free and with low climate materials. The building industry is our closest ally and an enthusiastic supporter. We are confident that by 2030 Oslo’s air will be cleaner, emissions lower and environment healthier thanks to the actions we are taking today.”

Both cities have also pledged to reduce the indirect emissions generated from building works, through the prioritisation of retrofits and refurbishment of their existing stock, de-incentivizing demolitions, and encouraging the use of low-carbon and reusable materials.

Stockholm is taking a holistic approach to reach the City’s goals to be fossil-fuel-free and climate positive by 2040. Together with the Swedish Construction Federation and the Swedish Environmental Research Institute IVL, Stockholm has developed a Life-Cycle Analysis tool to evaluate all aspects of the building process from a climate point of view – from the choice of materials and the use of machinery to the construction processes. Being now piloted the city aims at using it citywide form 2021.

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“Together with the building industry and academia Stockholm is creating a powerful tool to scrutinize the climate impact of the whole building process. Using it will help us steer towards the most climate efficient solutions,” said Anna König Jerlmyr, Mayor of Stockholm.

Oslo, Copenhagen and Stockholm also commit to take a leadership role in creating a global market for low-emission construction materials and zero-emission machinery, working through the C40 Clean Construction Forum. Launched in Oslo in May 2019, the Forum brings together major cities from around the world to use their purchasing power to shift markets within the construction sector.

“The world’s cities are growing fast, with an area the size of Milan being built every week. It may be a boom time for builders, but the construction industry is a major contributor to the climate crisis,” said Mark Watts, Executive Director of C40 Cities. “The mayors of Oslo, Copenhagen and Stockholm recognise that without urgent action to cut emissions generated in the construction of buildings and infrastructure, there is no chance of delivering on the Paris Agreement and preventing catastrophic climate change. As C40’s research demonstrates, citizens will ultimately benefit from cleaner air, quieter streets and lower prices. Now it is up to businesses and industry to recognise the risks of inaction and work with mayors and consumers to make sure everyone benefits from the huge opportunities that lie ahead from clean construction.”

Ben Smith, Energy and Climate Change Director, ARUP said: “As the sector responsible for the largest share of consumption-based emissions in C40 cities between now and 2050, it’s clear that the construction sector must do more to reduce its carbon impact. Our research shows that there are significant opportunities to act, but we need to rethink the way buildings and infrastructure are delivered. Making that change a reality will rely on working with all those with responsibility for delivering development. We believe that the construction sector can embrace this change, if it invests in necessary skills and training and seeks to promote innovation. Where this happens, the benefits go beyond emissions reduction – they are social, environmental and economic, cleaner air in cities, less noise and new job opportunities.”

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“Buildings are a cornerstone of our society. We spend over 90% of our time in buildings; people rely on them to survive; and they depend on the world’s finite resources to be built and operate. As they are responsible for nearly 40% of global carbon emissions, they also represent enormous potential in managing our remaining carbon budget” said Cristina Gamboa, CEO of the World Green Building Council. “At World Green Building Council, we are encouraged to see this important research from our partner C40. The opportunities it identifies for cities to address emissions from buildings and construction will support the sector’s critical response to the climate emergency. Through our continued collaboration and World Green Building Council call for coordinated sector action to tackle embodied carbon, we believe there is a future of better and greener buildings for cities all over the world.”

Consumption-based emissions including construction, as well as food, clothing, aviation, building and others, from nearly 100 of the world’s big cities already represent 10% of global greenhouse gas emissions. Without urgent action, those emissions will nearly double by 2050. The full findings were laid out in a major piece of research “The Future of Urban Consumption in a 1.5°C World”.

Mayors of more than 70 cities will meet in Copenhagen for the C40 World Mayors Summit 2019, from October 9 to 12, to develop solutions to the global climate crisis.

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