OBJECTIVE FORESTRY

Detailed explanation-1: -For the First Time, Genetically Modified Trees Have Been Planted in a U.S. Forest. Living Carbon, a biotechnology company, hopes its seedlings can help manage climate change. But wider use of its trees may be elusive.

Detailed explanation-2: -GMOs are linked to a number of negative environmental effects-and when an unnecessary process is harmful to the environment, that generally makes it unsustainable. As mentioned above, most GMOs are designed to be resistant to herbicides-namely, glyphosate.