Rangers on patrol in the bush might have access to water, but it is often dirty and possibly not safe for drinking. With this in mind, on my 2015 visit to South Africa, I made contact with Aqua For Life, specialists in microfiltration products who gave us a good deal and donation on acquiring 200  “Lifestraws” worth about $4,000.

A Lifestraw is a hollow-membrane filter built into a straw. You place the straw straight into a water source and simply drink. Sucking the water up through the straw forces it through the filter, which removes almost all bacteria, and protozoa and lasts for 1,000 litres. Via a friend living just outside Kruger National Park we managed to distribute them to the rangers.