Deadline extended: 17 July 2025 Background The greenhouse gas inventory conducted in Warsaw every two years shows that nearly three quarters of Warsaw's greenhouse gas emissions come from the production and consumption of electricity and thermal energy in buildings. Therefore, actions concerning the energy sector are key to achieving climate goals. Since 2013, the City of Warsaw (responsible unit: Infrastructure Department) has been implementing a programme to monitor the management of electricity, heating, gas and water, and the cost of their consumption, together with the scoping of measures to improve the efficiency of energy use in more than 2,000 city [...]

Deadline: 8 July 2025 About the request The City Expert Support Facility (CESF), through NetZeroCities / Climate-KIC, are requesting proposals to support the City of Zaragoza in the preparation of an external Communication Strategy and supporting the improvement of internal communication activities between different departments of the city for the successful implementation of the City Climate Contract. Zaragoza has set ambitious objectives in its Climate City Contract (CCC). However, effective participatory communication approaches remain a challenge, both internally and externally. Limited engagement from citizens, key community actors and private entities presents a significant barrier to implementation. To overcome these challenges, [...]

Deadline: 2 July 2025 Background Oslo is making rapid progress in transitioning to zero-emission construction sites. In 2024, 85 per cent of energy used for machinery in municipal construction projects—representing an annual investment of approximately €1 billion—was emission free/electric. From January 1, 2025, all municipal construction sites are required to be emission-free. In early 2025, the Norwegian Ministry of Climate and Environment adopted a new regulation to limit emissions from construction sites (FOR-2025-04-03-594). The regulation grants municipalities the authority to require the use of zero-emission solutions and biogas on all construction sites. It is authorised under Section 9 of the [...]

Deadline: 31 July 2025 Update: 18 June 2025 About the request The City Expert Support Facility (CESF), through NetZeroCities / Climate-KIC, are requesting quotation for the structuring of a Social Bond for the financing of solar energy projects in the city of Eilat. Eilat aims to open the door for its residents to actively invest in and benefit from solar energy projects, even if they lack the physical space—such as a private rooftop—necessary to install their own solar panels, through purchasing Social Bonds. The city has two core objectives of the Social Bond: first, to provide local residents with a [...]

Deadline: 30 June 2025 Update: 13 June 2025 Background Cork City is committed to building workforce capacity, systems, tools and processes that will enable them to deliver key components of the Cork City Climate Contract (CCC). This work is aligned with the city’s People Strategy and Learning and Development Framework. During the CCC development process in 2024, the city initially explored using the Economic Model developed by the Technical University of Madrid (UPM) for their Investment Plan. However, challenges in accessing localised data and adapting national indicators led the city to engage external support from Arup. Despite this, the city [...]

Deadline: 09 June 2025 (23:59 CET) Background Barcelona has a long history developing leading policies related to climate change and its effects. The City committed to Local Agenda 21 from the outset and has been developing policies to promote a sustainable development model for more than 30 years. In 2002 the first Citizens' Commitment to Sustainability (2002-2012) was approved, which was renewed and extended 10 years later (2012-2022). At the end of 2020, the City Council adopted the 17 Sustainable Development Goals of the United Nations 2030 Agenda as guiding principles of its development strategy, providing quantifiable targets adapted to [...]