Knowledge Hub
The research, interviews, films and books behind everything on Purify The World. All in one place.
Expert Talks
Conversations and research from seven leading voices on chemical exposure, hormonal health and human fertility. Jeremy Grantham, Dr Shanna Swan, Rob Bilott, Dr Leonardo Trasande, Dr Philippe Grandjean, Dr Tyrone Hayes and Dr Mary Claire Haver.
Browse interviews →Research and Studies
The peer-reviewed studies behind everything on this site. Sperm count decline, atrazine research, PFAS in UK water, microplastics in human placentas and more. Every claim has a source.
Browse research →Documentaries
Films that tell the stories behind the science. The Devil We Know, Stink, Poisoned and Dark Waters, with summaries and where to watch in the UK.
Browse documentaries →Books
The essential reading list. Count Down, Exposure, Silent Spring, Slow Death by Rubber Duck and Sicker Fatter Poorer on chemicals and health. Plus six Women's Health titles including The New Menopause, The Galveston Diet, The Menopause Brain and Estrogen Matters.
Browse books →The Full Picture
An interactive map showing how the problem, the causes, the evidence and the solutions all connect. From sperm count decline to menopause. One system, one story, fully navigable.
Explore the map →How everything on this site connects
The chemicals affecting fertility, development and reproductive health across a lifetime connect to what women experience in perimenopause and menopause. Not several stories. One.
Read the full picture →Everything You Were Never Told About Perimenopause and Menopause
The endocrine system disrupted by chemicals is the same system that governs hormonal health across a woman's entire life. A dedicated section covering symptoms, what helps, the HRT evidence, the environmental connection, and where to find specialist support worldwide.
Visit Women's Health →