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Data journalism

DW Data is the data journalism unit of Deutsche Welle. Our stories are based on data, documents and code. This page showcases a selection of our coverage.

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Reports & Analysis

A man walks down a tree-lined street in Mumbai

A man walks down a tree-lined street in Mumbai

How green are Asia's cities?

How green are Asia's cities?

Tree cover can keep cities livable as heat waves increase. DW looks at tree coverage in over 40 major cities in Asia.

Illustration of a polluted and flooded city surrounded by water

Illustration of a polluted and flooded city surrounded by water

Flooding, heatwaves, and severe storms: Can cities adapt?

Flooding, heatwaves, and severe storms: Can cities adapt?

Faced with more frequent and intense heatwaves, storms and floods, how can cities across the world adapt?

A picture of US President Joe Biden addressing US auto workers at a General Motors factory in Detroit, Michigan. A large US flag hands on the factory floor, which is full of machines.

A picture of US President Joe Biden addressing US auto workers at a General Motors factory in Detroit, Michigan. A large US flag hands on the factory floor, which is full of machines.

Obama, Trump, Biden: Presidential impact on the US economy

Obama, Trump, Biden: Presidential impact on the US economy

No matter who was in the White House over the past 15 years, the US economy has mostly outshone its rivals.

USA | Mexiko | Asylsuchende in der Grenzregion

USA | Mexiko | Asylsuchende in der Grenzregion

World Refugee Day: 9 charts that explain displacement

World Refugee Day: 9 charts that explain displacement

Nine charts show the origins and destinations of the 117 million people who've been forced from their homes worldwide.

Members of European Parliament sitting at a plenary session in Brussels, Belgium

Members of European Parliament sitting at a plenary session in Brussels, Belgium

How hard-right EU lawmakers vote on big issues

How hard-right EU lawmakers vote on big issues

Far-right parties often vote against the European Parliament's majority on issues such as migration and climate change.

European Parliament plenary and lots of people with their hands up

European Parliament plenary and lots of people with their hands up

EU foreign policy: Which countries dominate the agenda?

EU foreign policy: Which countries dominate the agenda?

MEPs rarely discuss African, Asian and Latin American affairs. Ukraine, Russia and China remain top of the agenda.

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Skip next section In the spotlight

In the spotlight

This photo taken on Dec. 4, 2023 shows a view of the empty Gwadar port

This photo taken on Dec. 4, 2023 shows a view of the empty Gwadar port

Pakistan's Gwadar port shows China's Belt and Road can fail

Pakistan's Gwadar port is sitting empty. What does this tell us about China's Belt and Road Initiative investments?

Desalination plant in Spain

Desalination plant in Spain

Desalination — can it help us survive water scarcity?

It is known for being energy-intensive, expensive and polluting. But with dwindling freshwater, is desalination vital?

Illustration of three women in front of the Bundestag, one putting her ballot into a ballot box

Illustration of three women in front of the Bundestag, one putting her ballot into a ballot box

If only women voted, what would Germany look like?

What would be different in Germany if only women voted? Which parties would be in power?

A close-up of a sportive lemur in a tree

A close-up of a sportive lemur in a tree

Biodiversity: Can extinctions be stopped?

Humans actions are pushing countless plant and animal species to the verge of extinction. Can this be reversed?

A collage of greyscale, smog-filled cityscapes: Cars, chimneys, trash bags, high-rises, smoke. In the foreground, a hand in a yellow rubber cleaning glove is wiping over the scene with a green cloth. In the trail of the cleaning cloth, a different city collage is revealed: Blue skies over green trees and an idyllic canal, with colorful houses surrounding it.

A collage of greyscale, smog-filled cityscapes: Cars, chimneys, trash bags, high-rises, smoke. In the foreground, a hand in a yellow rubber cleaning glove is wiping over the scene with a green cloth. In the trail of the cleaning cloth, a different city collage is revealed: Blue skies over green trees and an idyllic canal, with colorful houses surrounding it.

How megacities are tackling air pollution

Many of the world's biggest cities are slowly improving their air quality. Here's how.

Solar panels and a wind turbine in a field

Solar panels and a wind turbine in a field

Net zero by 2050: 9 charts showing the world's progress

The pressure is on for leaders at the 28th climate conference to prevent global warming from accelerating further.

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