For millennia, hemp clothed, fed and sheltered humanity. Today it returns as one of nature's most capable allies against climate change. We're asking the world to give it a day — April 21 — and the recognition it deserves.
Addressed to the Ambassadors and Permanent Missions of UN Member States. Every signature is a seed — plant yours today.
Thank you for adding your voice. The fastest way to grow this movement is to pass it on — share it with three people who care about the planet.
Hemp isn't a silver bullet — no single crop is. But across carbon, soil, water and materials, the evidence for industrial hemp as a regenerative tool is genuine and growing. Here's what the research actually supports.
Fast-growing hemp draws down CO₂ as it grows — and locks it away durably when turned into long-life materials like hempcrete.
~8–15 t CO₂ / hectare per crop¹Deep taproots break up compacted ground, suppress weeds without herbicides, and can help draw contaminants from degraded land.
A proven rotation & cover crop²Hemp typically needs far less irrigation than cotton and grows with minimal or no pesticides, reducing runoff and chemical load.
~50% less water than cotton³Hemp fibre becomes biodegradable packaging, textiles, and hempcrete — a breathable, carbon-storing alternative to some concrete uses.
Bio-based, lower-carbon inputs⁴Sources & honesty note: Figures are typical ranges from published agronomic and life-cycle studies, not fixed guarantees — outcomes vary by variety, climate and end-use, and stored carbon is only durable when hemp is locked into long-life products. ¹ Carbon-sequestration ranges per hectare, peer-reviewed LCA literature on industrial hemp & hempcrete. ² FAO / agronomic research on hemp in crop rotation and phytoremediation. ³ Comparative water-footprint studies, hemp vs. cotton fibre. ⁴ Life-cycle assessments of hemp-based bioplastics and hemp-lime construction. We will publish full citations as the movement's research library grows.
Hemp connects to the heart of the UN's 2030 Agenda. We focus on the goals where the evidence is strongest — rather than claiming it solves everything.
A fast, scalable, nature-based carbon tool.
Restores soil health and supports biodiversity.
Biodegradable, recyclable, renewable materials.
Enables bioplastics and carbon-smart construction.
New rural industries and green livelihoods.
Low-input farming reduces chemical runoff.
…and meaningful contributions across No Poverty, Zero Hunger, Gender Equality and Sustainable Cities — wherever regenerative farming and green industry take root.
Among the first crops cultivated by humans, in early Asia.
So vital that colonial America made hemp cultivation a legal duty.
Sweeping restrictions push industrial hemp into the shadows.
A global legal revival reopens hemp's place in the green economy.
A citizens' movement to make April 21 World Hemp Day — and write the next chapter together.
That sustainability is achievable — through unity, science and soil. Help us show the United Nations that the world is ready.