It is a fiscally unsustainable practice, the prime minister said.

However this simply provided a signal for the bankers culture that they had nothing to lose and to carry on with their existing unsustainable practices.

Ongoing depletion of wild fish stocks makes this practice unsustainable.

If there is a weakness in the legal case, it would be the fact that patenting business methods is seen by some as an unsustainable practice.

Nodule regrowth takes decades to millions of years and that would make such mining an unsustainable and nonrenewable practice.

Though the transformation of the land into a national park produced positive results, it wasn't enough to stop the unsustainable practices in the park.

Goldmark is concerned over the loss of working forests to sprawl and unsustainable logging practices.

In 1957, the villagers entered the employ of the logging companies, causing internal and external conflict as well as increased reliance on unsustainable practices.

We cannot allow such unsustainable practices to continue unchecked.

This figure indicates unsustainable ecological practices, because few species emerge each year.