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Data

Data Journalism

Fire News Alerts Greece: Real-time wildfire updates on Telegram

16.07.2026

Pavlos Methodios

An automated Telegram channel, Fire News Alerts Greece, sends real-time notifications about new wildfires and de-escalations of active fire fronts.

QGIS

Guide to mapping analysis using QGIS

03.07.2026

Andy Lehren, Kuek Ser Kuang Keng

A detailed guide in using QGIS, from downloading to analysing data.

The water reserves of Attica in live charts that update daily

19.06.2026

Pavlos Methodios

Using the RSS feed of Αthens Water Supply and Sewerage Company, we collect the latest data on extractable water reserves in Attica on a daily basis. The data is visualized in charts that update automatically, allowing the water reserves in the basin's reservoirs to be monitored.

Data Analysis

I vibe-coded a complex data visualization and analysis dashboard. Here’s what I learned.

02.06.2026

Jaemark Tordecilla

It takes a lot of drudgery out of data cleaning and web development, but you still need an editor’s eye — and some software engineering skills — to get things ready for publication.

Data Journalism

10 data projects win 2026 Sigma Awards

11.05.2026

Rowan Philp

Ten outstanding data-driven journalism projects, from as many countries, were chosen from among the 31 finalists – 26 individual projects and five portfolios – by a diverse Prize Committee of 17 judges.

Data Journalism

Fuel prices in Greece: Live charts and maps that visualize the latest data on a daily basis

08.04.2026

Pavlos Methodios

We have compiled data on liquid fuel prices in Greece from 2017 to the present in the form of interactive charts that automatically update with the latest data. The visualizations are freely available for integration as a tool to observe price developments at service stations across the country.

Journalism

How CORRECTIV investigated the EU housing crisis

26.03.2026

Katerina Voutsina

An analysis by CORRECTIV.Europe reveals where housing is becoming unaffordable for workers in critical sectors of the economy across Europe.

Data Journalism

GIJN’s coverage of NICAR 2026

20.03.2026

Rowan Philp

At the latest NICAR data journalism summit 2026, reporters spotlighted digital techniques reshaping investigative work.

Investigative Reporting

Tips to investigate AI labor abuses in the global south

05.03.2026

Rowan Philp

How to investigate artificial intelligence when the workers who power it remain invisible, and the data is manipulated.

Data cleaning tools and techniques for non-coders

25.02.2026

Pinar Dag

Tips for cleaning messy data without coding

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