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The International Energy Agency estimates that to hit net-zero globally by 2050, six times more critical minerals will be required in 2040 than today. The rapid increase in demand for critical minerals is likely to increase price volatility. This could aggravate energy security concerns, and thereby delay the necessary clean energy transition...

The circular economy transition along global value chains provides levers that can curb raw material use, preserve biodiversity, and reduce pollution, including the emission of greenhouse gases (GHGs). While the transition to circularity is building momentum, several systemic barriers continue to exist. This policy brief presents eight proposals...

This policy brief aims to answer a critical question: how can policymakers, civil society, and researchers address air pollution, climate change, and socioeconomic equity with inclusive solutions ? The brief argues that much of the answer will involve reframing how policymakers, civil society groups, and researchers perceive the interrelationship...

This science-policy brief was published as a background science policy brief for United Nations 7th Multi-stakeholder Forum on Science, Technology and Innovation for the Sustainable Development Goals held on May 5-6, 2022. Since 2015, the international policy community has started to agree on international agreements with ambitious middle-term and...

1. The ASEAN State of Climate Change Report (ASCCR) presented ASEAN’s mitigation goal: i) Achieve net-zero greenhouse gas (GHG) emissions as early as possible in the latter half of the 21st century; and ii) Cap peak GHG emissions as soon as possible after 2030 to ensure the net-zero GHG emission goal is met on schedule. 2. However, the updated...

The concept of 1.5-degree lifestyles involves changes in household consumption for achieving levels of per person carbon footprint compatible with the 1.5°C target of the Paris Agreement (IPCC, 2018). This requires, on average, emitting the equivalent of 2.5 tons of CO₂ per person per year by 2030, and 0.7 tons of CO₂ per person per year by 2050...

Effective solid waste management is critical for achieving sustainable development in municipalities. In the last half century, urban cities around the world have grown significantly, and experts forecast that this trend will continue into the future. Increased populations coupled with rapid urban buildup put enormous stress on municipalities...

This policy brief suggests six priorities for developed and emerging economies represented by G20 countries to mainstream circular economy and society globally, as follows: 1) need to capture the momentum raised by public attention on marine plastic pollution; 2) raise the level of ambition of Extended Producer Responsibility; 3) provide policy...

This policy brief presents four directions and 12 opportunities for SCP (Sustainable Consumption and Production) policy-making in Asia and the Pacific put forward by the Asia Pacific Roundtable for Sustainable Consumption and Production (APRSCP) and PECoP-Asia (Asian academic research consortium-led project; refer to the last page). It reflects...

経済協力開発機構（OECD）が、2016年に9月に拡大生産者責任政策を導入するうえでの留意事項やガイダンスをまとめた『Extended Producer Responsibility—Updated Guidance for Efficient Waste Management』を発表しました。これは、2001年に発表された『 Extended Producer Responsibility: A Guidance Manual for Governments』を15年ぶりにアップデートするものです。 今回、地球環境戦略研究機関では、国立環境研究所と連携して、ＯＥＣＤの許可を得て、このアップデートガイダンスの日本語要約版を作成しました。 この日本語要約版は...