The environment inter-generational injustice was resulted fundamentally from the human’s irrational selection.When the main categories

groups

and individual subject deal with human relations and the relation between people and nature

it displays such ideas respectively:this generation centrism

community centrism

and individual centrism

it also neglects the right assignment and the responsibility undertakeing between the contemporary and descendant’s

which is regard as the fundmental reason.To realize the environment inter-generational justice

the main categories

groups

and individual subject should form the correct moral character.