According to the text,which concern was NOT a prominent part of the second wave of environmentalism?

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The second wave of environmentalism, which gained momentum in the late 20th century, focused on broad, global issues such as acid rain, global warming, and the promotion of alternative energy sources. Pesticide use was a primary concern of the earlier, first wave of environmentalism, highlighted by Rachel Carson's 1962 book "Silent Spring."

According to the Text,which Concern Was NOT a Prominent Part