Why does the author refer to critics in the text?

The reference to critics in the text serves to strengthen the call for collective action regarding environmental issues. By acknowledging critics, the author can present a well-rounded discussion that recognizes the various viewpoints surrounding environmental challenges. This inclusion allows the author to address opposing opinions and reinforce the necessity for unity and collaborative efforts in tackling environmental problems. This strategic use of critic voices ultimately underscores the urgency and importance of collective action, making it clearer that despite differing opinions, collaborative efforts are essential for achieving effective environmental solutions.