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Carbon pricing very effectively encourages the shift of production and consumption choices towards low and zero carbon options that is required to limit climate change. Are countries using this tool to its full potential? This report measures the pricing of CO2-emissions from energy use in 44 OECD and G20 countries, covering around 80% of world emissions. The analysis takes a comprehensive view of carbon prices, including fuel excise taxes, carbon taxes and tradable emission permit prices. The 'carbon pricing score' measures how close the 44 countries, together as well as individually, are to the goal of pricing all energy related carbon emissions at current and forward-looking benchmark values for carbon costs. The report highlights the structure of effective carbon rates across countries and sectors in 2018 and discusses change compared to 2012 and 2015. It also provides an outlook on recent trends in emissions trading in China and the European Union.

The multidimensional and intergenerational nature of the 2030 Agenda for Sustainable Development and the Sustainable Development Goals (SDGs) calls for integrated policies. Progress made in a particular social, economic or environmental area or individual goal may generate synergies and trade-offs across dimensions (spillover effects), and steps taken in one country could have positive or negative impacts beyond national borders (transboundary effects). Assessing the multidimensional and cross-border effects of policies has become even more urgent in the context of COVID-19 containment measures. However, there are gaps in governance and analytical tools for identifying and managing spillover and transboundary effects, posing challenges for governments in designing and implementing sustainability strategies. This book, a collaborative effort by the OECD and the European Commission-Joint Research Centre (EC-JRC) presents a set of new governance and analytical tools, lessons learned from country experiences, and good emerging practices for managing spillover and transboundary effects in the implementation of the 2030 Agenda.

This paper explores data and methods to assess the alignment or misalignment with climate mitigation objectives of investments in the construction and refurbishment of residential and non-residential buildings. It takes the United Kingdom (UK) as a case study, where such investments reached GBP 162 billion (EUR 184 billion) in 2019 or 39% of UK gross fixed capital formation. The analysis trials different reference points that lead to varying results and each currently come with limitations in terms of coverage or granularity. Sector-level greenhouse gas (GHG) trajectories indicate that, in aggregate, investments in UK buildings have been insufficient, delayed or not aligned enough with caps set by UK Carbon Budgets, but such trajectories currently lack disaggregation for a more granular and insightful matching with investment data. Energy performance certificates (EPCs) allow for asset-level analyses: for instance, 79% of 2010-2019 investments in new built residential were in relatively energy efficient buildings but only 1% were consistent with more demanding recommendations towards the UK’s objective of reaching net-zero GHG in 2050. The coverage and reliability of EPCs, however, needs to be improved for older buildings, whose deep retrofitting is a major financing challenge. Applying Climate Bonds Initiative criteria for low-carbon buildings identifies investments eligible for green bond financing, but such criteria have partial sectoral coverage and are based on currently most efficient buildings within the existing stock, which makes them relatively easy to meet for investments in new built. Producing more complete and policy relevant assessments of aligned and misaligned investments at national and sectoral levels requires the availability of and access to comparable and granular data on decarbonisation targets and pathways consistent with the Paris Agreement temperature goals, GHG performance of assets, corporate and household investments, as well as underlying sources of financing.

This paper describes and analyses the fiscal rules for subnational governments (SNGs) in OECD countries immediately prior to the COVID-19 crisis. It is based on information from the 2019 survey of fiscal rules for SNGs by the OECD Network on Fiscal Relations across Levels of Government. The paper analyses the details of the application of these SNG fiscal rules, and shows that the effective stringency of statutorily similar rules may vary greatly.