"The methods that EPA introduced after 1970 to reduce air-pollutant emissions worked for a while, but over time have become progressively less effective"
About this Quote
The subtext is classic Commoner: environmental crises aren’t just “bad stuff in the air,” they’re outcomes of systems built to externalize costs. As controls tightened on obvious point sources, marginal gains got harder. Companies learned to comply on paper, lobby for loopholes, shift emissions geographically, or substitute pollutants not yet regulated. Meanwhile, cars, suburban sprawl, and energy demand kept climbing, eroding per-unit improvements with sheer volume. “Progressively less effective” hints at diminishing returns, but also at institutional fatigue: agencies captured, budgets squeezed, enforcement softened, ambition narrowed to what’s measurable.
Context matters. Commoner came out of the first wave of modern environmentalism but refused its feel-good consumer lane. He argued that ecology is political economy. Here, he’s warning that the Clean Air Act era cannot be preserved as nostalgia. Environmental policy has to chase moving targets - and sometimes redesign the game itself, not just add another filter to the exhaust.
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| Topic | Nature |
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Citation Formats
APA Style (7th ed.)
Commoner, Barry. (2026, January 17). The methods that EPA introduced after 1970 to reduce air-pollutant emissions worked for a while, but over time have become progressively less effective. FixQuotes. https://fixquotes.com/quotes/the-methods-that-epa-introduced-after-1970-to-41258/
Chicago Style
Commoner, Barry. "The methods that EPA introduced after 1970 to reduce air-pollutant emissions worked for a while, but over time have become progressively less effective." FixQuotes. January 17, 2026. https://fixquotes.com/quotes/the-methods-that-epa-introduced-after-1970-to-41258/.
MLA Style (9th ed.)
"The methods that EPA introduced after 1970 to reduce air-pollutant emissions worked for a while, but over time have become progressively less effective." FixQuotes, 17 Jan. 2026, https://fixquotes.com/quotes/the-methods-that-epa-introduced-after-1970-to-41258/. Accessed 12 Feb. 2026.







