Updating the Big Climate Database

Big Climate Database, Shopping trolley filled with fresh vegetables and herbs in front of shelves of apples in a supermarket produce section.

Updating the Big Climate Database
- LCA database on >500 food products

This collaborative project aims to update and further develop the open-access Big Climate Database for Food with the newest available data and establish a framework for annual updates.

The Big Climate Database is developed by 2-0 LCA and CONCITO in 2021, where it received the Nordic Environmental Prize. Since then, it has provided companies, public authorities, and citizens with free access to carbon footprints of more than 500 of the most common food products at retail. The database is used for climate footprinting and accounting by several catering, restaurants, retails, food manufacturers etc.

Today, the Big Climate Database includes GHG footprint data for 540 retail food items in five countries. Data refer to production data in 2016.

The updated database will provide:

  1. Updated results for each year from 2016 to 2024.
  2. Two complementary sets of results: consequential LCA results according to ISO 14044 and results aligned with the GHG Protocol Land Sector and Removals Standard.
  3. New impact categories: land use and biodiversity.

The problem

The Big Climate Database provides climate-footprint results for 540 different food products at retail. It has become an important source of information for companies, public authorities, researchers, food professionals, and other stakeholders.

However, agricultural production, energy systems, processing technologies, transport systems, and land use continuously develop. Climate-footprint results can therefore become outdated if the underlying data and models are not regularly maintained.

At the same time, climate-footprint information is used for different purposes. The consequential LCA approach supports purchase and investment decisions by modelling the expected environmental consequences of production and consumption. For reporting under the GHG Protocol, many users prefer to apply a different, attributional LCA approach. To allow users to select results appropriate to their intended application, an updated database should contain results based on both LCA approaches.

The solution: a crowdfunded project

Join this project as a member and support the development of the next version of the Big Climate Database.

The project will:

  • Update the database using the newest available data, i.e. 2024.
  • Establish a framework for updating the database every year.
  • Provide annual results from 2016 to the latest year covered by the database.
  • Present results according to two complementary LCA approaches:
    • consequential interpretation of ISO 14040/44, and
    • GHG Scope 3 Protocol, and hereunder the Land Sector and Removal Standard.
  • Introduce a website function allowing users to select year of results as well as switching between the two sets of results.

The project is organised as a crowdfunded collaboration. This allows participating organizations to share the cost of developing and maintaining a comprehensive database that would be costly for any individual organization to develop independently.

Scope of the project

Updated data

The underlying data and models will be updated to represent the newest available information on agricultural production, energy, processing, packaging, transport, retail, and land use.

At the launch of the updated database, results will be available for each year from 2016 to 2024. The database will subsequently be available for updating every year with the newest available data.

Users will have access to current climate-footprint results while retaining earlier results for comparison, documentation, and the establishment of relevant baselines.

LCA methods

Results will be calculated using two approaches:

Consequential LCA according to ISO 14044

The consequential model will represent the expected environmental consequences of demand for an additional unit of product. It will apply consequential modelling principles, including substitution for multifunctional processes, marginal supply mixes and indirect land use changes (iLUC). The intended purpose of the consequential model is for decision support regarding purchase and investment decisions.

GHG Protocol Land Sector and Removals Standard

The GHG Protocol model will be designed for GHG accounting and reporting. It will apply an attributional approach aligned with the GHG Protocol Scope 3 and hereunder the Land Sector and Removals Standard, including the relevant modelling of agricultural production, land management, land use change, and biogenic emissions. The intended purpose of the GHG Protocol model is for GHG accounting and reporting under the GHG Protocol and SBTi.

Users will be able to switch between the two sets of results on the database website. This will make the methodological choice transparent and allow users to select the results suited the specific purpose.

Impact categories

Today, the Big Climate Database only includes data on GHG emissions, i.e. global warming. The updated version will also include the following impact categories:

  • Global warming potential (GWP100 following IPCC AR6), in units of kg CO2e per kg food item
  • Land use, in units of m2*year per kg food item
  • Biodiversity, in units of years lost evolutionary history from extinction of species

Why this is needed

The updated database will:

  • Provide access to climate-footprint results based on the newest available data.
  • Ensure that the database remains current through annual updates.
  • Enable companies to use appropriate data for corporate GHG inventories and reporting.
  • Support companies and public authorities in assessing the consequences of purchasing, sourcing, and policy decisions.
  • Allow users to select results consistent with either consequential LCA or the GHG Protocol.
  • Support the establishment of historical baselines and monitoring of climate performance.
  • Improve the transparency and methodological consistency of climate assessments and claims.
  • Reduce duplication of work by providing a shared and regularly maintained data foundation.

Crowdfunded project

The project will be initiated when a minimum of 20 members has been reached.

The membership fee is EUR 3,000 per organization. This is a one-off fee.

After the project is completed, annual updates of the database will be made. Members of the project can have access to this for an annual fee of 300 EUR.

Members are invited to project status meetings held every three months. At the meetings, 2-0 LCA will present the project’s methods, data, progress, and preliminary results. Members will have the opportunity to provide input and discuss the development of the database.

For subscription (or questions), please contact us or go to the club click here.

Deliverables and Data access

Members will receive access to:

  • Updated climate-footprint models for the 540 food products covered by the Big Climate Database.
  • Annual results for 2016–2024.
  • Results for following impact categories: global warming, land use, and biodiversity.
  • Two sets of results following:
    • Consequential interpretation of the ISO 14040/44 standards
    • GHG Protocol Land Sector and Removals Standard.
  • The produced data will be made available via: https://thebigclimatedatabase.com/
  • On the webpage, there will be a login option for members, which opens the privileged member access to
  • Updated documentation, describing data sources, methods, assumptions, and limitations.
  • Status meetings for project members every three months.

Public access for non-members will be limited to:

  • Results for 2016 and the year 5 years prior to most recent year for which we have data (e.g. access to results for 2019 when results are available for 2024).
  • Consequential LCA results only.
  • Updated project documentation.

This model ensures continued public access to a substantial part of the database while providing members with the newest data, the complete time series, and both the consequential and the attributional versions of the database.

Timeline

The project will officially begin when the minimum threshold of 20 members has been reached.

The updated database will be completed and made available to members no later than nine months after the project kick-off.

Become a member

Joining the project will provide your organization with access to the complete and continuously updated Big Climate Database, including all available years and both methodological approaches.

By becoming a member, your organization will also help establish a shared, transparent, and regularly maintained data foundation for food-related climate assessment, decision-making, and corporate GHG reporting.

The membership fee is a one-time payment of 3,000 EUR per organization. The project will be initiated when 20 members have joined.

After completion of the project, the database will be maintained and updated with new data every year. Members of the crowdfunded project have access to updates for an annual fee of 300 EUR.

For subscription (or questions), please contact us or go to the club click here.

Jannick Schmidt, CTO at 2-0 LCA
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Jannick Schmidt
Chief Technology Officer
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