Why is preventing pollution at its source the first strategy in minimizing onmental risk?

Passage 1passage 2 read the passage from “the caged bird.” a free bird leaps on the back of the wind and floats downstream till the current ends and dips his wing in the orange sun rays and dares to claim the sky which phrases representing the idea of freedom connect the poem to the autobiography? “leaps on the back of the wind” connects to “ran down the hill.” “and floats downstream” connects to “and into the road.” “dips his wing in the orange sun” connects to “the good sense.” “and dares to claim the sky” connects to “to stop running.” mark this and return