2015 is a critical year for humanity. Our civilisation has never faced such existential risks as those associated with global warming, biodiversity erosion and resource depletion. Our societies have never had such an opportunity to advance prosperity and eradicate poverty. We have the choice to either finally embark on the journey towards sustainability or to stick to our current destructive “business-as-usual” pathway.

Poland has combined robust economic growth with reducing some of the pressures on its environment since it joined the EU in 2004. It has also brought environmental laws closer to European norms. Poland now needs to lessen its economy’s reliance on fossil fuels and make growth greener, according to a new OECD report.

According to shocking new research by Oxfam, the world’s richest 1% would, on current trends, own more than half the world’s wealth by 2016.

Developing countries are increasingly moving towards more strategic national policies and plans, the effectiveness of which will depend upon proper assessment of a given country’s vulnerability to climate change. This report draws upon emerging monitoring and evaluation practices across developed and developing countries to identify four tools that countries can draw upon in their own assessment frameworks.

In his remarks to the Business & Climate Summit, the Secretary-General said that business lies at the heart of what we need to achieve on climate action. If Governments produce clear, credible and coherent national policies and clear messages and signals, the full transformative power of business, markets and human ingenuity will be unleashed.

The OECD hosted a workshop on green investment banks on 20 May 2015. It built upon discussions of green banks at the OECD Green Investment Financing Fora (May 2015 and June 2014) and continued international dialogue on the experiences of green banks. The workshop welcomed 9 different green banks, public financial institutions, NGOs, the private sector and over 20 countries interested in the green bank model.

OECD can work its hardest to raise awareness on the truths of climate change, but the world won’t see developments in green technology and infrastructure unless we have eager investors backing up investment and research and development in low-carbon technologies.

In January of this year I visited the Mexican state of Tabasco– a state crossed by rivers and facing the Gulf of Mexico. The state’s population has doubled over the past 30 years and its economy relies heavily on oil and natural gas resources. It has its challenges as well: unemployment, poverty and a lack of resources.

"We absolutely should and must demand a strong deal in Paris". Read the full blog by Chris Barrett, Executive Director, Finance and Economics, European Climate Foundation, and former Australian Ambassador to the OECD.

Ministers from OECD’s 34 member countries today welcomed the new OECD Principles on Water Governance, which set standards for more effective, efficient and inclusive design and implementation of water policies, and encouraged governments to put them into action.

The OECD’s Annual Meeting at Ministerial Level reinforced member governments’ support across a broad range of key OECD work.

We could spend World Environment Day warning of the doom and gloom of future Earth, but considering how much we have done that already, that’s not going to get us very far as we approach this year’s COP21 in Paris. Instead, we are going to give you a taste on what we do here at the OECD headquarters to help save the environment, taking our own medicine on what we prescribe to governments.

Today, more than 22% of global emissions are covered by a carbon price. Almost 40 countries and over 20 cities, states and provinces use carbon pricing mechanisms or are planning to implement them. The OECD recommends that countries make carbon pricing the cornerstone of climate policy. Price signals sent to consumers, producers and investors alike need to be consistent and facilitate the gradual phase-out of fossil fuel emissions.

The meeting was held on 18 June 2015 in Chisinau, Moldova. The key objective was to discuss the progress made on the programme implementation and to agree the work plan for 2015-16.

This paper refines indicators to measure innovation in environment-related technologies, drawing on recent methodological advances that allow a more accurate assessment of environment-related innovation in a broader range of countries. Three indicators are discussed: an indicator of technology development; an indicator of international collaboration in technology development and an indicator of technology diffusion.

Taxes are potentially among the most effective ways of cutting pollution and greenhouse gas emissions, but they are currently – with very few exceptions – underused; and even where used, they are frequently designed in a sub-optimal way.

This joint OECD/France conference to be held in Paris on 16 September 2015 will aim to lay the foundation for the international effort which is needed on public policy options and economic incentives to support food security, the fight against climate change and adaptation to climate change while integrating soil issues in that effort.

Raw materials are essential for the global economy and future development depends on their continued supply. Like fossil fuels, minerals are non-renewable. In general, their deposits in the Earth’s crust are also geographically clustered, making security of supply a potential risk. The purpose of this report is to perform for the first time an analysis of critical minerals for the OECD countries as a whole.

Government support to fossil fuel consumption and production in OECD countries and key emerging economies remains high, at USD 160-200 billion annually, according to a new OECD report. This support is hampering global efforts to curb emissions and combat climate change.

Cost-benefit analyses and other quantitative appraisals are used in many countries to support decision-making in public policy, including investment projects in sectors such as transport and energy. This paper discusses the range of approaches which can be employed to value changes in carbon emissions in policy appraisalsand presents some case studies and a survey of current practice in OECD countries.

The current Volkswagen diesel emissions scandal highlights the difficult reality of making the transition to a low-carbon economy. It also highlights the growing need for governments to make smart policies, based on actual costs.

Public and private finance mobilised by developed countries for climate action in developing countries reached USD 62 billion in 2014, up from USD 52 billion in 2013 and making an average of USD 57 billion annually over the 2013-14 period, according to a new OECD study in collaboration with Climate Policy Initiative (CPI).

It has become the accepted wisdom that meeting the global climate challenge will require zero net greenhouse gas (GHG) emissions by the end of this century. Read the full op-ed by Gabriela Ramos, OECD Special Advisor to the OECD Secretary-General.

Advanced and emerging economies have made progress in addressing climate change, yet most are on a trajectory that would see them fall short of their mitigation goals. Governments need to significantly accelerate their efforts and strengthen their climate change policies.

"Back to the Future" festivities marking 21 October 2015 as the date Marty and Doc travel to the future in the famous film with Michael J. Fox. If only we had a similar time machine allowing us to travel to 2045 to see what the climate has in store to better decide what policies to adopt today. Alas, no time machine has been invented yet but, in the absence of such a cool device, we can rely on climate and economic models...

How have CO2 and greenhouse gas (GHG) emissions changed since 1990? Three different visuals tell three very different stories (click on them to see full size). Which perspective offers the most clarity?

To increase transparency and improve understanding of different countries’ situations, the OECD has developed an interactive map that brings to life key climate change mitigation statistics and policy settings. The webinar on Monday 16 November 2015, 15h00-16h30 (Paris time) consisted of a summary of the main messages of the report "Climate Change Mitigation: Policies and Progress" and a demonstration of the interactive tool.

Average global temperature could rise by 3-6 degrees Celsius by 2100 if we don’t act. To keep the rise to 2 degrees Celsius, we need to have net zero emissions by the end of the century. Emissions would need to peak by 2030 to give us a fighting chance of achieving this.

This report on climate change disclosure in G20 countries takes stock of mandatory climate change reporting schemes in G20 countries and identifies commonalities and divergences between the various schemes.

This project is unique in that it explores how national-level policies impact household behaviour. Topics include energy use, food consumption, personal transport choices, waste generation and recycling, and water consumption. Yet the project does not specifically discuss the term “ecological footprint,” and it retains a macro-policy focus, targeting governments interested in learning which policies to implement.

Tackling climate change may be costly, but not tackling it will cost even more. And the longer we wait to act, the more our environment, our health and our economies will be damaged. Find out more about the likely impacts of rising GHG concentrations on global temperature, and how that will affect all of us.

The UN Conference on Climate Change (COP21) in Paris 30 November-11 December is a once-in-a-generation opportunity to reach a new international agreement to combat climate change and accelerate our transition to a low-carbon economy. The “carbon entanglement” of our economies is keeping us on a collision course with nature.

Following is a list of OECD activities and events during the COP21 UN Conference on Climate Change. You can visit the OECD Pavilion in Hall 3 (Blue Zone) at any time to attend events (complete list of OECD events at COP21) and browse OECD reports & dataviz on climate change and the environment. Please contact Catherine Bremer (catherine.bremer@oecd.org, 0603 483456) for interview requests.

Over the past year, OECD Insights has published a series of blogs from contributors inside and outside the Organisation on the issues being debated over the next two weeks at COP21 in Paris. Here they are, in alphabetical order by title.

Climate change mitigation requires globally, at national levels and locally, and across a range of policy areas. Priorities include widening the scope of carbon markets and investing more in innovative technologies. Efforts to cut emissions need to be stepped up, both in energy-related areas and in sectors like industry, agriculture and waste.

In order to help address climate finance-related information needs under the UNFCCC, this paper explores the extent to which currently-available secondary data make it possible to estimate private finance mobilised by developed countries for climate action in developing countries.

Given the years of preparation – and for some OECD colleagues, a life’s work – my hope was for an enduring, ambitious text, helping us to avoid climate catastrophe. My expectation was far less grand, more closely aligned to the reality of getting 195 countries to adopt an agreement with legal force.

Outdoor air pollution is a major determinant of health worldwide. The objective of this paper is to inform the development of improved estimates of the social costs of human morbidity impacts resulting from outdoor air pollution in two components; namely to develop a core set of pollutant-health end-points to be covered when estimating the costs of morbidity, and to review current estimates of the cost of morbidity from air pollution.

The IEA is pleased to announce the second event in its new distinguished speaker series, Big IdEAs, which brings global leaders and decision makers to the IEA to share their views on a range of global issues. On Friday 29 January starting at 11h30, Professor Sir David King, the UK Foreign Secretary’s Special Representative for Climate Change, will speak on "Towards decarbonising the global economy".

Despite a relatively good performance on several points compared to other countries, there is still scope for improving the effectiveness of Israel’s taxation policy from an environmental perspective.

Paris is a beautiful city but has an ugly problem with air pollution. Using 2 wheels to get to work, one becomes acutely aware of this insidious addiction to cars, and the “essence” of the problem, DIESEL.

“If He holds back the waters, there is drought; if He lets them loose, they devastate the land”. To be fair, that was in the days before governments played “a key role in developing targeted policy responses to market failures that impede the mitigation and allocation of drought and flood risks”, as the OECD report on Mitigating Droughts and Floods in Agriculture puts it.

Urgent research is needed to assess the possible risks to human health and ecosystems from the ever-increasing amounts of engineered nanomaterials going into household waste and ending up in the environment, according to a new OECD report.

This paper presents the first empirical analysis of the macroeconomic relationship between environmentally related taxes and inequality in income sources. The analysis also investigates whether this relationship differs between countries which have implemented environmental tax reforms (ETRs) and ones which have not.

The consequences of degradation of environmental quality as well as the consequences of environmental policies are typically unevenly distributed. In general, poorer countries and lower income households are more severely affected by environmental degradation and at the same time have less capacity to adapt.

A dirty, rundown environment has quantifiable costs for the economy and the well-being of societies. For example, the welfare costs of air pollution from road transport alone are estimated to amount to around 1.7 trillion USD in OECD countries, 1.4 trillion USD in China and 0.5 trillion in India.

Cloudy head on climate change? Join the webinar on Wednesday 30 March 2016 from 1-2 pm (Paris time) with Professor Per Espen Stoknes on What we think about... when we try not to think about... global warming!

The natural environment provides crucial inputs and services for economic development, but its role for productivity growth is insufficiently explored. Environmental scarcities can pose a drag on productivity growth and a risk for its sustainability.

This report provides a review of recent firm-level and plant-level surveys containing questions on environmental policies, innovation practices or performance which are relevant for environmental policy analysis and assessment. We specifically focus on the core element that relates environmental policies to environmental and economic performance, namely the adoption of innovative practices and environmental innovations by firms.

Clearly a revolution in the global economy is needed for a heavy reduction of GHG emissions. You may have heard of Carbon Capture and Storage or CCS. This technology prevents CO2 from fossil fuel combustion from accumulating in the atmosphere.