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Cultural heritage, encompassing everything from archaeological sites and historic buildings to traditional practices and languages, is under increasing threat from climate change. The key climate impacts can be summarized as follows:
- Sea Level Rise: Coastal archaeological sites, historic buildings, and underwater cultural heritage are at risk of inundation and erosion. Rising sea levels can also salinize coastal soils, damaging foundations and accelerating material deterioration.
- Extreme Weather Events: Increased frequency and intensity of storms, floods, and droughts can cause physical damage to cultural heritage sites. Windstorms can topple structures, floods can cause water damage and mold growth, and droughts can lead to cracking and instability in structures.
- Temperature and Precipitation Changes: Rising temperatures can accelerate the deterioration of materials like paint, wood and textiles. Changes in precipitation patterns can lead to increased erosion, landslides, and desertification, all of which can damage cultural heritage sites. High humidity promotes mold growth, which can discolor and damage the artwork. Low humidity can make paint brittle and prone to cracking. Soluble salt and freeze–thaw are two significant weathering factors that contribute to the deterioration of rock-hewn heritages.
- Increased UV Radiation:Excessive UV exposure can cause fading and color loss in pigments. Organic materials like canvas and wood can become brittle and degrade over time. It can accelerate the deterioration of materials like stone and metal, causing discoloration, surface erosion, and weakening of the structure.
- Ocean Acidification: This process weakens the shells and skeletons of marine organisms, impacting underwater cultural heritage like shipwrecks and submerged settlements.
These impacts can have devastating consequences, leading to:
- Loss of irreplaceable cultural heritage: Destruction of archaeological sites, historic buildings, and sacred places.
- Loss of cultural identity: Disruption of traditional practices and knowledge systems that define a community's cultural heritage.
- Economic losses: Damage to cultural heritage sites can have a negative impact on tourism and local economies.
However, climate change also presents new opportunities, such as the discovery of previously hidden archaeological sites, revealed by melting glaciers. However, climate change also presents new opportunities, such as the discovery of previously hidden archaeological sites, revealed by melting glaciers. Moreover, the need for adapting cultural heritage to climate change may be an opportunity to boost the adoption of investments in new forms of safeguarding, restoration and exploitation of cultural heritage to secure the preservation of vulnerable resources for future generations.
Adapting the tangible cultural heritage is still at its beginning. Only a few specific measures to protect cultural goods from climate change have been identified:
1. Improved Climate Control Systems:
- Investing in HVAC systems: Upgrading to energy-efficient Heating, Ventilation, and Air Conditioning (HVAC) systems, can maintain consistent temperature and humidity levels to minimize stress on artworks.
- Monitoring and data collection: Implementing real-time monitoring systems to track temperature, humidity, and UV radiation levels allows for swift adjustments and early detection of potential problems.
- Passive climate control techniques: Exploring passive strategies like natural ventilation, shading, and landscaping (activity that modifies the visible features of an area of land) can supplement mechanical systems and reduce energy consumption.
2. Preventive Conservation Techniques:
- Using UV-filtering glass and window treatments: Installing UV-filtering glass in display cases and using UV-protective window treatments can significantly reduce light damage on artworks.
- Improved storage materials: Utilizing archival-quality storage materials that are acid-free and resistant to mold growth can help preserve artworks for longer periods.
- Pest management: Implementing integrated pest management (IPM) programs that minimize the use of chemicals and prioritize preventative measures like sanitation and exclusion techniques.
- Regular conservation assessments: Scheduling regular inspections and conservation assessments by qualified professionals to identify potential problems early and implement preventive treatments.
Moreover, cultural heritage can be preserved through adapting disaster preparedness plans (see the adaptation option Crises and disaster management systems and plans) and relocating vulnerable artwork (see the adaptation option Retreat from high-risk areas).
Additional Details
Adaptation Details
IPCC categories
Structural and physical: Technological optionsStakeholder participation
Engaging stakeholders, including local communities, indigenous peoples, heritage professionals, and policymakers, is crucial for successful adaptation.
On one hand, securing funding for cultural heritage restoration is a complex task, and stakeholder participation plays a crucial role in its success. Engaging stakeholders, including local communities, governments, private donors, and cultural organizations, fosters a sense of shared ownership and responsibility for the heritage site. This can broaden the funding base by tapping into diverse sources of financial support. Additionally, stakeholders can advocate for the project, raising public awareness and generating enthusiasm for the restoration effort. This collective effort can attract the attention of potential funders, showcasing the project's value and potential positive impact on the community.
On the other hand, achieving public acceptance for closing cultural heritage sites for restoration requires a multifaceted approach, and stakeholder participation is central to this process. By engaging with local communities, heritage groups, and interested individuals, project leaders can foster understanding and build a sense of shared purpose. Open communication about the necessity of closure, the specific restoration goals, and the anticipated timeline can alleviate concerns and generate buy-in. Stakeholder participation also allows for incorporating diverse perspectives into the restoration plan, potentially leading to solutions that minimize disruption or offer alternative access to the site during closure. This collaborative approach fosters trust and transparency, leading to a more supportive and accepting environment for the necessary closure period.
Success and limiting factors
Several factors can influence the success of adaptation strategies:
- Financial resources: Securing adequate funding for adaptation measures is essential.
- Technical expertise: Expertise in conservation techniques, climate science, and risk management is required.
- Community buy-in: Public and community support for adaptation plans is key for long-term success.
Moreover, developing and sharing knowledge about new conservation methods is essential. Key factors are:
- Research and development: Supporting research and development of new conservation methods and materials tailored to address climate-related threats.
- Sharing best practices: Promoting knowledge exchange and collaboration among conservation professionals to share best practices and develop innovative solutions.
- Investing in digital preservation: Investing in digital preservation technologies to create high-resolution digital copies of artworks as a backup and for educational purposes.
Costs and benefits
Implementing adaptation measures for cultural heritage will involve additional costs, including:
- Risk assessments: Conducting evaluations to understand the specific threats to cultural heritage in different climate scenarios.
- Conservation/restauration activities: Addressing the increased frequency and severity of damage caused by climate change compared to historical conditions.
- New conservation techniques: Upgrading infrastructures, using new materials, and implementing preventive measures to mitigate climate impacts.
- Capacity building: Organizing training programs and workshops to equip communities and professionals with the skills needed for effective adaptation.
- Public awareness campaigns: Educating the public about climate change risks to cultural heritage and the importance of adaptation strategies.
- Monitoring programs: Establishing systems to track and evaluate the effectiveness of adaptation solutions over time.
The benefits of adapting cultural heritage far outweigh the associated costs. Cultural heritage embodies significant cultural, historical, and economic value, making its preservation essential. Protecting cultural heritage not only strengthens community identity but also enhances tourism and boosts local economies. Furthermore, preserving traditional knowledge—such as practices in resource management and disaster preparedness—can play a vital role in supporting adaptation efforts across other sectors, offering practical solutions and fostering resilience.
Legal aspects
There are numerous treaties, directives, and strategies at both the European and global levels aimed at protecting cultural heritage.
Article (3)3 of the Treaty on European Union (TEU) states that the Union shall ensure that Europe’s cultural heritage is safeguarded and enhanced. Article 167 of the Treaty of the Functioning of the European Union (TFEU) defines the EU role as one of encouraging cooperation between Member states to support the safeguarding of cultural heritage of European significance.
The EU Floods Directive recognizes the importance of cultural heritage in flood risk management. It goes beyond just protecting people and property from flooding. By requiring Member States to assess flood risks, the directive ensures cultural heritage sites are included in this evaluation. This allows for the development of flood risk management plans that consider preventative measures and emergency response protocols specifically for these valuable historical and cultural landmarks.
The EU Strategy on Adaptation to Climate Change recognizes the need to protect and preserve cultural heritage in the face of climate change impacts, such as floods, storms, and sea-level rise. Considering this as a good practice there is a need to incorporate cultural heritage in the national and regional adaptation strategies and plans, such as it is currently foreseen in Cyprus and Slovakia.
On the global level states Parties to the World Heritage Convention should follow measures set by World Heritage Committee to adapt to climate change and to mitigate the impacts. For example states Parties may use the opportunities presented by the ‘Nairobi Work Programme on Impacts, Vulnerability, and Adaptation to Climate Change’ under the UNFCCC, and other ongoing processes, to address adaptation to climate change at World Heritage properties.
Implementation time
The timeframe for implementing adaptation strategies will vary depending on the complexity of the project, the availability of resources, and the level of stakeholder engagement. However, it is crucial to begin adaptation efforts as soon as possible.
Lifetime
Effective adaptation is an ongoing process. Climate change is a dynamic phenomenon, so adaptation strategies need to be reviewed and updated regularly. Long-term monitoring of climate impacts and cultural heritage sites is essential.
Reference information
Websites:
References:
Museums, libraries and archives in the face of climate change challenges
Built & Archaeological Heritage Climate Change Sectoral Adaptation Plan – Ireland: https://www.gov.ie/pdf/?file=https://assets.gov.ie/246863/2660361a-6b77-4b58-b040-aea8fd960606.pdf#page=null
The impact of climate change on cultural heritage – Briefing: https://www.europarl.europa.eu/thinktank/en/document/EPRS_BRI(2024)762282
Sesana et al., 2021. Climate change impacts on cultural heritage: A literature review https://wires.onlinelibrary.wiley.com/doi/full/10.1002/wcc.710
Published in Climate-ADAPT Dec 6, 2024 - Last Modified in Climate-ADAPT Dec 12, 2024
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