[ That sounds like a plan -- Kazu brought some things for today, obviously, but he can't afford to do so every time. He nods his thanks and starts rummaging around for cooking equipment and ingredients while Albert explains his profession. ]

Well whether you knew it or not, I'd say you're already contributing to the preservation of something important. Hopefully your world takes a different path, but in mine a great many species are extinct. Photographs, especially ones taken in their natural habitats, are priceless. You can always expand your subject matter to documenting culture as well.