This study aims to analyze the features and quality of the content, format, theme, target audience, and communication access regarding global warming-related Webs. A total of 142 Taiwanese global warming web sites were content analyzed. The results show that 38.7% of the web sites are owned by the environmental organizations; all but one web site take proglobal warming stand; the majority of the contents appeal to individual problem-solving; and as high as 86.6% of the contents are targeted at general public. The findings indicate that more Web communication on the macrolevel public policy debates and discussions is needed. They also highlight the importance and ways of how public understanding and participation of scientific risks such as global warming can be enhanced.