Environmentalism in the United States has become significantly more partisan over time, diverging from its bipartisan roots in the 1980s. This trend is more pronounced in the US compared to other issues, other countries, and even the US's own past. While conservative leaders like Reagan and Thatcher initially supported international environmental regulations such as the Montreal Protocol, the Republican Party's stance shifted after 1990, leading to a widening partisan gap on environmental issues. AI
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RANK_REASON The cluster consists of blog posts analyzing the historical partisanship of environmentalism, offering commentary and historical narrative rather than new research or a product release.