How can you support people in living healthy lives? One way is to ensure that they have access to enough clean water. Another is to support them in building proper sanitary facilities. Or to increase awareness of good hygiene practices. The Dutch WASH Alliance aims to realise and embed these conditions around the world. To ensure that it is done in the most sustainable manner possible, the Dutch WASH Alliance follows a unique strategy called ‘FIETS’. This factsheet explains part of the strategy: the focus on environmental sustainability.