Chelsea Wald



Chelsea is a freelance science and environmental reporter based in The Hague, the Netherlands. She currently focuses on sanitation, toilets, and waste, and has written for Nature, Nautilus, BBC Wildlife, Science, New Scientist, Discover and others.

Funded project

Waste Not

“Waste Not” explores projects developed to recover nutrients from urban market, kitchen, and human waste for use in agriculture in regions where soils are degrading, and fertilizer and animal feed are hard to get.