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Welcome to adelphi

We are Europe’s leading independent think-and-do tank and consultancy on climate, environment and development.

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German Sustainability Award

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Winner of the 2024 German Sustainability Award

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adelphi has received the 16th German Sustainability Award for its role as a pioneer in the socio-ecological transformation.

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Our Themes

We work in six fields of action for a future fit for grandchildren and support economic and social transformation.

Climate

adelphi theme climate, close up wheat in the field with sun

Energy

adelphi theme energy, roof with night sky and light beams

Resources

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Economy

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Finance

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Diplomacy

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Our Themes

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In Focus

Mosaic Items

adelphi and SEEK partner to scale transformative change for people and the planet

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Zwei kleine Grünpflanzen nebeneinander

adelphi and SEEK partner to scale transformative change for people and the planet

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News publ. 08. Jul 2024

EU Nature Restoration Law adopted by EU Council: Four key questions

Hero Media

Peatlands in Estland, Riisa Raba, Kreis Pärnu und Riisa

EU Nature Restoration Law adopted by EU Council: Four key questions

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News publ. 18. Jun 2024

Strengthening ASEAN urban resilience: promoting regional cooperation & inclusive solutions

Hero Media

Marina Bay with nice garden in Singapore, Singapore

Strengthening ASEAN urban resilience: promoting regional cooperation & inclusive solutions

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News publ. 05. Jul 2024

Climate

How circular economy strategies tackle marine litter

Hero Media

Washed-up debris and fishing nets at the shore

How circular economy strategies tackle marine litter

Project

Fields of Action

Economy

EU-Korea Green Partnership

Hero Media

View of the Han River in Seoul with the city and bridges to the left and right, a large high-rise building in the center background.

EU-Korea Green Partnership

Project

Fields of Action

Energy

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Top Publications

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In Focus

Opinion

In times of geostrategic crises, Germany must remain a driving force behind Europe's climate policy

Berlin, Paul-Löbe-Haus mit unzähligen bunten Lampen, die sich im Wasser spiegeln

In times of geostrategic crises, Germany must remain a driving force behind Europe's climate policy

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Comment by Dennis Tänzler

Bye-bye Biodiversity!

Aufnahme eines braunen Pilzes im Moos

Bye-bye Biodiversity!

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Comment by Christiane Röttger

The plastic waste stream must be tackled at its source

Ein Foto mit von Plastik überfülltem Müll

The plastic waste stream must be tackled at its source

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Comment by Evita Hegmann, Johanna Katharina Mützel, Maro Luisa Schulte

Water: A Source of Conflict or a Pathway to Peace?

a river in the desert of Iraq from above

Water: A Source of Conflict or a Pathway to Peace?

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Comment by Annika Kramer, Binayak Das

Resources

Battle for the global climate in Dubai - the empire strikes back

Man sieht den Eingang der COP28 in Dubai, mehrere Menschen befinden sich auf dem Weg zum Eingan

Battle for the global climate in Dubai - the empire strikes back

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Comment by Dennis Tänzler

From Heatwaves to Labour Disputes

Ein roter Bauhelm liegt auf dem Boden eines Industriegeländes

From Heatwaves to Labour Disputes

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Comment by Vivianne Rau

Climate

Why international support for Haiti must include climate security

bird's eye view on a stranded boat on a shore in Haiti

Why international support for Haiti must include climate security

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Comment by Dr. Beatrice Mosello, Spencer Adrian McMurray

Diplomacy » Climate

New IPCC synthesis report: "The investment gap is immense"

People in Kolkata ride bicycles and motorbikes through flooded streets and heavy rain

New IPCC synthesis report: "The investment gap is immense"

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Comment by Dennis Tänzler

Climate

An EU-US green subsidy race could be good news for climate

Statue of liberty

An EU-US green subsidy race could be good news for climate

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op-ed by adelphi-expert Mary Hellmich and Sarah Jackson from E3G

Climate

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Opinion

News

adelphi and SEEK partner to scale transformative change for people and the planet

Zwei kleine Grünpflanzen nebeneinander

adelphi and SEEK partner to scale transformative change for people and the planet

Kicker (computed)

News publ. 08. Jul 2024

Strengthening ASEAN urban resilience: promoting regional cooperation & inclusive solutions

Marina Bay with nice garden in Singapore, Singapore

Strengthening ASEAN urban resilience: promoting regional cooperation & inclusive solutions

Kicker (computed)

News publ. 05. Jul 2024

Climate

How sustainable online retail works in Würzburg, Germany

Man sieht das Zukunftshaus Würzburg von innen. Im Laden befinden sich viele nachhaltige Produkte zum Verkauf, darunter Kleidung.

How sustainable online retail works in Würzburg, Germany

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News publ. 20. Jun 2024

EU Nature Restoration Law adopted by EU Council: Four key questions

Peatlands in Estland, Riisa Raba, Kreis Pärnu und Riisa

EU Nature Restoration Law adopted by EU Council: Four key questions

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News publ. 18. Jun 2024

EU Elections: Achievements and Challenges of the European Green Deal

European Union Flags in front of the European Commission in Brussels, Belgium

EU Elections: Achievements and Challenges of the European Green Deal

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News publ. 03. Jun 2024

How can the Common Agricultural Policy (CAP) better preserve and promote biodiversity?

Feldrain Kyffhauser mit Getreide auf der linken und einem Wildblumenstreifen auf der rechten Seite

How can the Common Agricultural Policy (CAP) better preserve and promote biodiversity?

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News publ. 21. May 2024

Resources

adelphi at the fourth round of negotiations for a treaty to combat plastic pollution

Seagull in the water, carrying a plastic bag in its beak

adelphi at the fourth round of negotiations for a treaty to combat plastic pollution

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News publ. 30. Apr 2024

Economy

Lena Ruthner and Anton Barckhausen: Two new faces in adelphi's management team

Rotes Hintergrundbild

Lena Ruthner and Anton Barckhausen: Two new faces in adelphi's management team

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News publ. 29. Apr 2024

Ambitious goals for emissions trading - ICAP Status Report 2024

Bird view of a city with emissions

Ambitious goals for emissions trading - ICAP Status Report 2024

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News publ. 10. Apr 2024

Climate

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News

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Careers at adelphi

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At adelphi, you can be involved in exciting work related to science, politics and policy-making around the world. Contribute your ideas and skillset to our interdisciplinary, international teams.

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Careers

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adelphi team gathering

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Contact Us

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+49 (30) 8900068-0
officeadelphi [dot] de (office[at]adelphi[dot]de)

Press Inquiries

+49 (30) 8900068-365
pradelphi [dot] de (pr[at]adelphi[dot]de)

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Contact Us

What We Think

What We Think

This decade is crucial for the future of the planet.

What We Think
What We Do

What We Do

As an independent think tank and leading political consultancy, we are committed to a secure, fair and liveable future.

What We Do
Who We Are

Who We Are

adelphi is Europe’s leading independent think-and-do tank for climate, environment and development.

Who We Are