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Sludge: from disposal to recovery. Is the era of the euro-per-tonne fee coming to an end?

Sludge: from disposal to recovery. Is the era of the euro-per-tonne fee coming to an end?

by Giorgio Kaldor 13 MAY 2026 11:30

This article is part of the thematic channel The Water Observer: subscribe to our newsletter and receive exclusive contents from the world of water For years, the price of sewage sludge was a margi...

PFAS, the “forever chemicals” that challenge science and the environment

PFAS, the “forever chemicals” that challenge science and the environment

by Giorgio Kaldor 03 OCT 2025 14:00

This article is also available in Italian / Questo articolo è disponibile anche in italiano Resistant to water, grease and high temperatures. But also indestructible, “silent” an...

Wastewater Directive: the race for circular biorefineries is on

Wastewater Directive: the race for circular biorefineries is on

by Giorgio Kaldor 06 MAY 2025 10:00

This article is also available in Italian / Questo articolo è disponibile anche in italiano The revision of the EU Urban Wastewater Treatment Directive (2024/3019) sets increasingly ambitiou...