On the occasion of the One Planet Summit, read our latest OECD Observer articles focusing on the challenges and opportunities for climate action, particularly in the area of green finance and investment.

This paper analyses the reform undertaken by Iceland to avert a looming crisis and restore fish stocks to sustainable levels; and outlines the process involved in designing and implementing this reform. It also reflects on the challenges encountered and the environmental, economic and social impacts of the reform. This country study draws on the OECD report "The Political Economy of Biodiversity Policy Reform".

Taxes are effective at cutting harmful emissions from energy use, but governments could make better use of them. Greater reliance on energy taxation is needed to strengthen efforts to tackle the principal source of both greenhouse gas emissions and air pollution, according to a new OECD report.

This paper summarises efforts in two West African countries – Mauritania and Guinea-Bissau – to mobilise international finance to sustain the marine biodiversity upon which fisheries depend, and to establish conservation trust funds. The countries study draws on the 2017 OECD report The Political Economy of Biodiversity Policy Reform.

We are losing diversity of life on Earth at an alarming rate – one tenth of the world’s terrestrial biodiversity and one third of freshwater biodiversity has been wiped out since 1970. And we’re on course to lose another 10% of terrestrial species by 2050.

This Policy Paper summarises key messages about the economic case for water investment, the barriers to investment and the financing gap. It charts a course for action to better value water and to facilitate water investment at scale. The Roundtable on Water Financing, a joint initiative of the OECD, the World Water Council and the Netherlands, will continue to deepen the evidence base and broaden engagement on these issues.

This report focuses on the extent to which governments have complied with the environmental commitments made in the trade agreements to which they are a Party. The report takes a two track approach. First, a review of implementation and evaluation reports associated with environmental provisions in such agreements is performed. Second, a survey of government officials, trade negotiators and other experts is carried out.

This paper reviews the existing literature on modelling the macroeconomic consequences of the transition to a circular economy. It provides insights into the current state of the art on modelling policies to improve resource efficiency and the transition to a circular economy by examining 24 modelling-based assessments of a circular economy transition.

The OECD proposes to conduct a first-of-its-kind review of Indonesia’s green growth policies, with the co-operation of four Ministries.

Hungary has made progress in greening its economy and cutting emissions, but it needs to speed up efforts to replace fossil fuels with renewable energy sources, improve energy efficiency in buildings and promote sustainable transport, according to a new OECD Review.

12 September 2018, San Francisco - Cities and regions are critical financial actors in the global response to climate change, and particularly in the infrastructure. This expert panel will discuss how national and sub-national governments, as well as private actors, can scale up subnational financial flows to transition to low-carbon, resilient and inclusive cities, presenting the findings from OECD and World Bank studies.

This paper aims to test whether the inclusion of environmental provisions in Regional Trade Agreements has contributed to the improvement of environmental quality among the Parties to these agreements through empirical modelling and analysis. Three indicators are considered as a proxy for environmental quality: concentrations of suspended particulate matter less than 2.5 microns, sulphur dioxide and nitrogen oxide.

Governments need to raise carbon prices much faster if they are to meet their commitments on cutting emissions and slowing the pace of climate change under the Paris Agreement, according to a new OECD report.

This Policy Paper comprises the Background Report prepared by the OECD for the G7 Environment, Energy and Oceans Ministers (19-21 September, Canada). It provides an overview of current plastics production and use, the environmental impacts that this is generating and identifies the reasons for currently low plastics recycling rates, as well as what can be done about it.

This Policy Paper comprises an Issue Brief and Background Report prepared by the OECD for the G7 Environment, Energy and Oceans Ministers (19-21 September 2018, Canada). It outlines the rising risks faced by coastal communities, which are being exacerbated by climate change; and shows how governments can harness innovation to help improve resilience and emphasises the need for close engagement with coastal communities.

On 25 September 2018 in New York, the OECD, UN Environment and the World Bank Group hosted a high-level panel discussion on their joint initiative “Financing Climate Futures: Rethinking Infrastructure”. The project is being undertaken with the support of the German Federal Ministry of the Environment, Nature Conservation and Nuclear Safety.

Three years on from the commitments made at COP21 in Paris, the overwhelming majority of governments have not taken the necessary action to contain growing risks to the climate. With emissions on the rise again, OECD governments need to get serious about shifting their economies to a low-carbon model and stop investing in carbon-intensive infrastructure.

The transition towards a resource efficient and circular economy has linkages with international trade through the emergence of global value chains as well as trade in second-hand goods, end-of-life products, secondary materials and waste. This paper highlights the interaction of international trade and the circular economy in order to map out potential issues to address and to guide further research areas to explore on this topic.

The world’s consumption of raw materials is set to nearly double by 2060 as the global economy expands and living standards rise, placing twice the pressure on the environment that we are seeing today, according to a new OECD report.

This summer, we witnessed record-breaking heat and extreme weather events across the globe. To address the urgent climate challenge, and meet our broader development goals, trillions of dollars need to be invested in low-emissions and resilient infrastructure.

17-22 November 2018, Sharm El-Sheikh, Egypt. The OECD actively participated in this Conference through an official OECD side event and by taking part in a number of workshops, seminars and other events throughout the conference. Read more on the OECD side-event, participation at the High-Level Segment and the OECD work on biodiversity.

This paper explores the consequences on the labour markets of structural changes induced by decarbonisation policies. These policies are likely going to have consequences on labour-income distribution given i) existing rigidities in the labour markets, and ii) their different impacts on sectors and on job categories.

This report investigates the effects of select climate policies, non-climate policies, as well as political economy factors on the decarbonisation of electricity in OECD countries from 2000 to 2015. Effects are analysed on the three phases of decarbonisation: (1) increasing the share of renewables installed, (2) increasing the use of renewables in generation, and (3) reducing the emissions from electricity.

The OECD, UN Environment and World Bank Group today called on leaders of G20 countries to do more to enable a radical shift of investment into low-carbon, climate-resilient infrastructure as a way to limit the impact of climate change.

Public climate finance from developed to developing countries totalled USD 56.7 billion in 2017, up 17% from USD 48.5 billion in 2016, according to new data compiled by the OECD.

The large need for investments in sustainable infrastructure will require investments from the private sector, including institutional investors. This paper contributes to scaling up investments by analysing public project-level interventions for projects involving institutional investors; and presents findings from an updated database on institutional investments in environmentally sustainable infrastructure.

Emissions curbs set by the European Union’s Emissions Trading System, Europe’s main tool for reducing carbon emissions, have not hurt revenue, profits or employment at firms subject to the cap-and-trade programme over 2005-2014, according to a new OECD report.

A co-ordinated policy response is needed to ensure that new and existing infrastructure networks are resilient to climate change. This Policy Paper outlines a framework for achieving this based on the experiences in OECD and G20 countries. It shows how governments and businesses can collaborate to mobilise investment for climate-resilient infrastructure.

On 10 December in Katowice, the 9th annual High-Level Breakfast on Institutional Investors and the Low-carbon Transition, co-hosted by the OECD and the Institutional Investors Group on Climate Change (IIGCC), highlighted significant progress in mobilising green institutional investment, as well as important remaining challenges.

This report provides an overview of methodologies to evaluate the effectiveness of policy instruments for biodiversity, covering impact evaluation, cost-effectiveness analysis and other more commonly used approaches. It also provides an inventory of biodiversity-relevant impact evaluation studies, across both terrestrial and marine ecosystems.

At a time when nationalism is rising and individual countries are facing a growing array of threats, it is critical that we recognize a shared and unprecedented global challenge: We need to double our infrastructure in the next decade to meet global development needs, while achieving a systematic shift away from business-as-usual, carbon-intensive options to low-emissions, resilient infrastructure, to avoid catastrophic climate change.

Extended producer responsibility is a policy approach that aims to increase waste recovery and recycling. Extended producer responsibility systems aim to make producers responsible for the environmental impacts of their products throughout the product chain, from design to the end-of-life phase. This report focuses on free-riding of producers or retailers, which the fast expansion of online sales in recent years has been exacerbating.

The purpose of this study is to investigate the effect of congestion pricing on the demand for clean transport modes. It draws on an empirical analysis of the effect of Milan’s congestion charge on the use of bike sharing. The analysis indicates that congestion pricing increases daily bike-sharing use by at least 5% in the short term.

Tourism has boomed in Indonesia in recent years and is already one of the main sources of foreign-currency earnings.

Turkey will see its greenhouse gas emissions continue their steady rise of recent years without concrete actions to improve energy efficiency and increase the use of renewable energy sources, according to a new OECD report.

Parking policies have significant environmental and economic implications, which have often been left unconsidered. This paper reviews the relevant literature to provide a deeper understanding of the main environmental and economic consequences of common parking policies, and suggest policy options to protect the environment and increase social welfare.

This report offers a guide on potential reform pathways towards sustainable agriculture water use, based on a thorough review of selected past water and agriculture reforms and extensive consultation with policy experts.

The OECD welcomes the release of voluntary G20 peer reviews of Indonesia and Italy’s efforts to phase out and rationalise their inefficient fossil-fuel subsidies at the 2nd meeting of G20 Energy Transitions Working Group under the Japanese Presidency in Toyama, Japan.

Rapid economic development and climate change are increasing our vulnerability to natural disasters, and a new joint OECD-World Bank report calls for pro-active management of the financial costs of those disasters before they strike.

At their Summit in Osaka this weekend, G20 leaders agreed on a range of priorities for which analysis and support from the OECD and other international organisations are playing a crucial role.

On 3rd July 2019, in his fourth biennial climate change lecture, OECD Secretary-General, Angel Gurría focused on how countries can overcome the numerous political, economic and social barriers to achieve the rapid reductions in greenhouse gas emissions needed to safeguard our common future. Follow this link to watch the full lecture and the press release.

OECD Secretary-General Angel Gurría today said governments must face up to mounting anger, particularly among youth, on climate inaction.

Policy instruments can be applied to improve the sustainability of plastics, including regulations, market-based instruments, information and voluntary tools. The report reviews the use of these instruments, provides good practice examples, such as product taxes and charges, eco-design standards, extended producer responsibility and environmental product labels, as well as discussing opportunities for their future applications.

Policy instruments can be applied to improve the sustainability of plastics, including regulations, market-based instruments, information and voluntary tools. The report reviews the use of these instruments, provides good practice examples, such as product taxes and charges, eco-design standards, extended producer responsibility and environmental product labels, as well as discussing opportunities for their future applications.

This paper provides a concrete example of how policy analysts can use empirical programme evaluation studies to perform ex-post assessments of environmentally related tax policies. A number of studies credibly identify causal effects of environmentally related tax policies, but do not necessarily provide all the information needed to fully inform the policy-making process.

Embracing new technologies that could enable drastic reductions in GHG emissions will be key to delivering low-emissions pathways for growth, but it is not always obvious what the big breakthroughs will look like. This report looks at how blockchain technology can be applied to support sustainable infrastructure investment that is aligned with climate change objectives.

Climate finance provided and mobilised by developed countries for climate action in developing countries reached USD 71.2 billion in 2017, up from USD 58.6 billion in 2016, according to new estimates from the OECD.

This paper focuses on how national and sub-national governments can align subnational financial flows to transition towards low-carbon, resilient and inclusive cities. The paper is a contribution from the OECD Champion Mayors for Inclusive Growth initiative and to the OECD Programme on Subnational Finance and Investment.

Taxing polluting sources of energy is an effective way to curb emissions that harm the planet and human health, and the income generated can be used to ease the low-carbon transition for vulnerable households. Yet 70% of energy-related CO2 emissions from advanced and emerging economies are entirely untaxed, offering little incentive to move to cleaner energy, according to a new OECD report.

The UN Climate Action Summit on 23 September marks a potential inflection point ahead of the start of the implementation of the Paris Agreement in 2020. This event will gather and encourage Heads of State and Government to deliver concrete actions to address climate change. Our planet is witnessing dramatic changes in its life-support ecosystems, demanding accelerated action and co-operation among interlinking policy areas...