Data for: Heard the News? Environmental Policy and Clean Investments
收藏NIAID Data Ecosystem2026-05-02 收录
下载链接：
https://doi.org/10.7910/DVN/TCX06Z
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资源简介：
The dataset provides the data of the EnvP, a news-based index of environmental and climate policy in the US, monthly 1981-2019. The method to build the EnvP index applies text-mining machine learning techniques to identify articles referring to climate and environmental policy from ten leading US newspapers.
创建时间：
2025-05-21
