One who studies environment and its influence on the life of the individual and of society.

环境学家(研究环境和环境对个人及社会生活之影响)。

One who considers environment rather than heredity as the overwhelming influence in the development of an individual or a group.

环境论者(主张环境较遗传之对个人及群体的发展更具有无可抗拒的影响)。