Martha Mentoza
INTERVIEW
Bearing witness

Martha Mendoza on public service reporting

22.10.2025
Katerina Voutsina

Martha Mendoza has spent her career chasing stories that the world would rather ignore —from the forgotten massacre of Korean civilians to enslaved fishermen in Southeast Asia. We talked about the investigations that defined her path, and what it means to report for the public good.

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ALL STORIES

DATA
STORIES

Tools, news and practices from the data journalism community, useful for everyone

Methodology Two satellite images and QGIS are enough to find how much a lake has shrunken 
04.09.2025
Chrysoula Marinou

A guide for journalists on how to observe and measure the reduction of water reserves in water bodies, like the Aposelemi Dam in Crete, with the use and the analysis of satellite images.  

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Open Data Water reserves in Attica from 1985 to the present day 
17.07.2025
Chrysoula Marinou

We have collected historical data on the water reserves in Attica's reservoirs and are publishing it as an open dataset.

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Stories What we took away from this year’s European Data & Computational Journalism Conference 

We attended the 5th European Conference on Data Journalism and Computational Journalism, held for the first time in Athens. Here, we gather some of the key takeaways.

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Tools & Practices Investigating data available on social media platforms 
20.06.2025
Chrysoula Marinou

Although social media is an important “channel” for publishing journalistic investigations, it is also a rich source of information for all kinds of journalistic research. At the Dataharvest 2025 conference, we learned useful ways in which journalists can gather data from platforms for their investigations. 

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PRESS FORWARD

Features and analyses about the present and future of journalism

video Unpacking the story: Beneath the cloud
15.10.2025
Phoebe Fronista

Journalists Laís Martins and Pablo Jiménez Arandia talk to iMEdD about their investigations on the “big issue of our time: how the world is going to sustain the development of AI.” 

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iMEdDIJF25 Newsfluencers, not anchors — does it change what news is?  
07.10.2025
Phoebe Fronista

In a free-flowing conversation curated by the Pew-Knight Initiative for iMEdD's 2025 International Journalism Forum, four journalists discuss how the transfer of power from traditional media gatekeepers to the general public is playing out.

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video The story behind the investigation “Desert Dumps”
08.10.2025
George Schinas

Reporter Beatriz Ramalho da Silva tells iMEdD the story behind the cross-border investigation that uncovered how migrants are being arrested in North Africa and abandoned in the desert —with the knowledge of the European Union.

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Interview Nick Diakopoulos: AI and journalism beyond the hype
23.09.2025
Kelly Kiki

Professor Nick Diakopoulos speaks to iMEdD about how generative artificial intelligence is affecting newsrooms and journalism’s comparative advantage in content production.

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Feature Editorial cartooning: From pen to AI (and back again)
24.07.2025
Katerina Voutsina

Can a cartoon be "born" from an algorithm? If so, what does this mean for the future of satire and commentary? An AI researcher and four cartoonists speak to iMEdD. The latter explain why, after experimenting, they chose to leave it out of the picture —for now.

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Stories No data? No problem, journalists collaborate with the crowd  
18.09.2025
Katerina Voutsina

When data for an investigation is missing, journalists rely on the community. Experts share open-source tools anyone can use

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EDITOR’S
PICKS

Curated stories and reports from the iMEdD journalism team.