More than 60 years ago, when he was a child, farmer Peter Andrews saw his first dust storm. He still remembers it. “The noise was horrendous,” he says. “We hid in the house waiting for it to pass. The whole sky was dark. And the damage we saw the next day was even more terrible.”

The wind had ripped many of the trees on his family’s property completely bare. Some of their horses and cattle asphyxiated, unable to breath in the dust.

That early experience has led him to a particular calling: trying to regenerate Australia’s land, since dust storms occur in hot, arid regions where there is little vegetation to anchor the…