This dataset collects anonymized conversation networks from six subreddits. The data spans from July 1, 2020, to December 31, 2022. This dataset has been used in the article "Assessing the Impact of Group Interactions on Climate-related Opinion Change in Reddit", currently under review. The dataset contains data from six different subreddits for a total of: 6,251 submissions; 363,350 comments; 54,923 unique users. Each submission file contains the following fields: subreddit_id sub_id author_id created_at predicted_stance_score. This field indicates the author's position on climate change. Please refer to the paper for more details. Each thread file contains the following fields: comm_id sub_id parent_id subreddit_id author_id created_at predicted_stance_score