Hannah Chirgwin

Designation: Former Research associate, 3ie
Hannah supported the production of systematic reviews and evidence gap maps.

Blogs by author

Where are the evidence gaps in the water, sanitation and hygiene sector?

A recent BBC article asked why billions of people still lack basic sanitation and they’re not the only ones wondering. According to a 2017 report, 3 in 10 people worldwide (2.1 billion) lack access to safe, readily available water at home and more than 6 in 10 (4.5 billion) lack safely managed sanitation.