Field manual · updated Oct 2026

Your water has a
plastic problem.

Microplastics are in bottled water, tea bags, kettles, and baby bottles. We read the studies, verify the products, and publish the swaps that measurably cut your exposure. Evidence first, then advice.

240,000 plastic fragments found in an average litre of bottled water Columbia University, 2024
11.6B microplastic particles released by one plastic tea bag in a single cup McGill University, 2019
16M particles per litre shed by plastic baby bottles during formula prep Nature Food, 2020
Latest guides

Researched swaps, honest verdicts

Why it matters

The average person ingests a credit card's worth of plastic every week.*

Microplastics have been found in human blood, lungs, and placentas. The science on long-term harm is still developing — but exposure is easy to reduce right now. The biggest sources are bottled water, heated plastic food containers, and plastic tea bags, and every one of them has a simple, permanent swap.

Read about our research approach →

*Estimate popularized by a 2019 WWF-commissioned study (Univ. of Newcastle). Later analyses suggest the true figure is lower — which is why we cite primary sources in every guide.