With marine biodiversity deteriorating at an alarming rate, there will soon be little left of the “octopus’s garden” that The Beatles once sang about. According to Marine Protected Areas: Economics, Management and Effective Policy Mixes, pollution, overfishing and rising temperatures have damaged or destroyed 60% of the earth’s marine ecosystems. Policymakers have been addressing the issue, too, and are increasingly designating marine protected areas (MPAs) as an instrument for the preservation of biodiversity. 

We know decarbonisation will require a massive shift of investment away from fossil fuel and into such areas as renewable energy, energy efficiency in buildings and industry, electric vehicles and public transport. A key challenge for policy makers is to understand how to make best use of available policy levers to help accelerate this shift towards low-carbon investment. This includes facilitating the financing of low-carbon investment, including financing through equity investment or – on the debt side – through bank loans and bonds. Read post here.

Dimitar DIilkoff/AFP

The world’s oceans are being damaged by a constant and unprecedented accumulation of waste known as marine debris. The waste, mostly from effluent human activities, is brought to the oceans through currents and often carried far from where it originated. 

Crossroads with nature in Serra do Mar www.fotografiasaereas.com.br

In Latin America, as elsewhere, sustainable infrastructure plays a vital role in improving the quality of life and supporting economic growth. It determines our capacity to engage competitively in global trade and to grow our economies. In our cities, where 80% of the region’s population lives, infrastructure helps reduce poverty by enhancing access to basic services and facilitating access to knowledge and employment opportunities.

France has significantly improved its environmental performance over the past ten years, as evidenced by the signing of the Paris Agreement and the entry into force of the Energy Transition for Green Growth Act, both of which promote the protection of biodiversity, responsible management of resources and the fight against waste, and sketch out a new model of participative governance. But there remain gaps in the country’s environmental policy, according to the latest Environmental Performance Review of France, which advises the French government to waste no time in implementing its energy transition. 

Too much, too little, too polluted: these are three water risks facing many urban areas. By 2050, worldwide water demand will increase by 55%. This will mean fierce competition across different water users–farmers, industries, households, etc. Whether containing flooding in Paris, drought in San Francisco or groundwater contamination in Mexico City, cities everywhere are asking how to anticipate, avoid and overcome future water crises. 

©Peter Treanor/Alamy Stock Photo

Air pollution in African cities is a major health and environmental challenge that must become a focus of urban policies. 

Oceans hold the promise of immense resource wealth and great potential for boosting economic growth, employment and innovation. In the same time, they are recognised as indispensable for addressing many of the global challenges facing the planet, from food security and climate change to the provision of energy, natural resources and health care. But they are already over-exploited, polluted and confronted with climate change.

Do you know which Middle East country is the largest producer and exporter of pistachio nuts (4 letters)? Another word for ''quiet'' (3 letters)? Try our latest OECD Observer crossword.

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The Paris Agreement on climate change signals the end of business as usual for energy industries. For the first time in history more than 150 developed and developing countries have promised to reduce greenhouse gas emissions. But how binding are these agreements? And do they provide impetus for local action in Africa?

©Damir Sagolj/Reuters

For Thailand’s capital of Bangkok, and its surrounding five provinces, green cities are a matter of survival. And with extreme rainfall and summer heatwaves becoming the norm, Bangkok must adapt and develop climate resilience, or risk disappearing.

©Charlotte Moreau

Jeju Island lies in the Strait of Korea. Often described as the “Hawaii of Korea”, it is also a tropical jewel in the country’s strategy towards greening its economy. 

©Alamy

What do sunscreen, deodorant, smartphone batteries and tennis rackets have in common, besides being everyday items? They are all likely to contain nanomaterials. These very small objects–from 1nm to 100nm–are increasingly used for industrial, commercial and medical purposes. The number of products containing them leapt fivefold from 2006 to 2011. Nanotechnology may be revolutionary, but is not without risks. 

From the early 2000s, sustainability has emerged as a central policy-making consideration as climate change and population growth have heightened concerns about already-stretched natural resources. With governments, business and civil society frequently clashing at the intersection of economic policy and conjecture over future livelihood viability, sustainability has asserted itself as a precondition, a license to operate, or simply a moral imperative.

World leaders meet at the UN in New York 22 April formally to sign the Paris Agreement on climate change. The European Union is already translating the agreement into action, says Miguel Arias Cañete, European Commissioner for Climate Action and Energy, in this article for the OECD Yearbook 2016.

China was among the near-200 countries to adopt the Paris Climate Change Agreement (Paris Agreement) at an historic UN conference in Paris, France on 12 December 2015. As an emerging economy and one of the world’s major emitters of greenhouse gases, how China implements the Paris Agreement will be important. We asked Dr Xuedu Lu of the Asian Development Bank for his views.

Citizens demand action at the UN climate change conference in Paris in November-December 2015 ©GDE AGUNG/Citizenside/AFP

The Paris Agreement is a landmark in collective efforts on climate change and is the result of many years’ hard work. It must now be implemented.

How will workers’ current skills match new requirements for labour in a green economy? So far, few countries have put in place real plans to address this question, yet there is risk of a significant mismatch between skills and jobs. Would you know who to call if your geothermal system crashes? Should construction workers learn new skills for retrofitting buildings?

Carbon dioxide (CO2) emissions worldwide have been trending upwards for decades. A small group of large countries is responsible for the lion’s share of these global emissions.

Major floods and droughts have prevailed in many countries throughout 2015. South Africa saw the emergence of its worst drought in 30 years, Ethiopia is threatened with a major food crisis, and California suffered its fourth consecutive year of drought. Floods caused over 2 000 deaths in India last summer, while England, Paraguay and South Carolina reported unprecedented flood damage. The trouble is, climate change is expected to increase the frequency and severity of such extreme weather events in the coming years.

Freshwater is essential for life, yet makes up only a tiny fraction of all water on earth. In many areas, especially arid and dry regions, underground aquifers are the only source. Even in less arid regions, groundwater provides an essential resource: in fact, some 2.6 billion people worldwide rely on groundwater resources. Farming is one major reason: over 60% of irrigated agriculture in the US uses groundwater, and in Spain more than 70% of irrigation comes from below ground reserves.    

©Reuters/Stringer

The human economy is a physical system embedded in society, which itself is embedded in a finite global ecosystem. The primary goal of the economy should be to meet basic human and social needs, now and in the future, without degrading the global ecosystem services upon which all life depends. How can this be done?

Policy makers should do much more to encourage pension funds and other institutional investors to put their ample assets into sustainable energy infrastructure. The wins would be significant. The question is how? 

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See StatLink for further breakdown: http://dx.doi.org/10.1787/data-00735-en

In tackling climate change, it makes sense for policymakers to know which sectors greenhouse-gas emissions are coming from. Our chart shows the main sources for European carbon dioxide (CO2) emissions, including electricity supply, manufacturing, households and transportation. Household emissions are largely generated from fossil fuel energy used to heat dwellings, but some of the other industry sources are more complex.

©Romeo Gacad/AFP Photo

For many years one of the predominant conventional wisdoms in both business and policymaking circles was that cutting greenhouse gas (GHG) emissions necessitates a sacrifice in economic growth. We now know, through the experiences of both developed and developing countries, that economic growth can complement environmental conservation and transitioning to a low-carbon economy can go hand-in-hand with increased access to economic opportunity and higher levels of well-being. 

In my first climate change lecture, nearly two years ago, my key message was that meeting the challenge of climate change required us to achieve zero net greenhouse emissions globally by the end of this century. 

OECD

A warming planet and a flat world economy have propelled the issue of investment in clean energy to the top of the policy agenda. The question has become all the more crucial in view of the landmark global summit on climate change to be held in Paris in December 2015. 

If the world is to make a dent on climate change, breaking the arm-lock of fossil fuels is inevitable. After all, limiting the rise in global temperatures to no more than 2°C by the end of the 21st century demands curbing greenhouse-gas emissions between 40% and 70% by 2050 compared with 2010 levels, which means replacing fossil fuels–coal, oil and gas–with low-carbon energy sources and developing technologies to capture and store CO2.

©Charlotte Moreau/OECD Observer

The fates of humanity and of the environment are two sides of the same coin. That is why we must focus increasingly on not just development but sustainable development. To do that, we need to form global coalitions to work for progress on a range of challenges. Over the past few decades, humanity has made unprecedented progress. Extreme poverty has been halved. Child mortality has been halved. In just 15 years, deaths from malaria have been halved.

Economic data

GDP growth: +0.6% Q3 2017 year-on-year
Consumer price inflation: 2.3% Sept 2017 annual
Trade: +4.3% exp, +4.3% imp, Q3 2017
Unemployment: 5.7% Sept 2017
Last update: 14 Nov 2017

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