Irwin bought "large tracts of land" in Australia, Vanuatu, Fiji and the United States, which he described as "like national parks" and stressed the importance of people realising that they could each make a difference.
Irwin opkøbte desuden store landområder i Australien, Vanuatu, Fiji og USA, som han selv beskrev som værende 'ligesom nationalparker' og understregede desuden vigtigheden af, at folk indså, at alle kan gøre en forskel.