This dataset is created by Shuang Chen in her following paper:
Chen, Shuang, Green Investors and Green Transition Efforts: Talk the Talk or Walk the Walk? (October 21, 2022). Available at SSRN: https://ssrn.com/abstract=4254894 or http://dx.doi.org/10.2139/ssrn.4254894
There are 764 environment-related keywords in this dataset. They start from Wikipedia words and phrases under the tag “List of environmental organisations topics” and “List of environmental issues”. I further process them by removing words that are often used in contexts beyond environment, adding top 40 closest synonyms with a word embedding model, and finally removing words that do not express environment concerns or supports based on google search results.