Whose work heightened public awareness and concern about the use of pesticides and ultimately led to restrictions on the use of certain pesticides?

The correct answer is - Rachel Carson.

Explanation:

Rachel Carson's changed the world by her ground breaking and most exceptional books that tells the environmental impact of various fertilizers and pesticides.

Work of Rachel is marked a new public awareness and concern about the use of chemical pesticides such as DDT. The book silent spring result in presidential commissions that are largely praised and shared her findings.

Thus, the correct answer is - Rachel Carson.