Global Pumpkiln Day is a decentralised, community-oriented observance centred on small-scale biochar practice using pumpkin kilns.
This section provides context for the day, explains the role of biochar, outlines how communities can participate, and offers guidance for sharing responsibly.
Explore the sections below to learn more.
Learn about the origins of Global Pumpkiln Day, why it takes place every year on 1 November (All Saints’ Day), and how a simple seasonal experiment grew into a shared global observance
Understand what biochar is, how it relates to soil health and carbon stability, and why smallholder and community-scale production matters.
Find guidance on how individuals and communities can take part in ways that are locally appropriate, safe, and collaborative.
Learn how a seasonal pumpkin experiment and a shared idea led to the creation of Global Pumpkiln Day.