社交媒体平台气候变化讨论中的多面极化与信息可靠性
Multifaceted polarisation and information reliability in climate change discussions on social media platforms
AI总结：
该研究分析Twitter互动拓扑及跨平台分享，发现气候变化讨论存在意识形态、结构与情绪交织的多面极化，右倾社群更易传播低可靠性信息。
摘要：
YouTube和Twitter等社交媒体平台在传播有关气候变化的可靠与不可靠信息方面发挥着关键作用。本研究分析了Twitter上互动的拓扑结构，及其与跨平台分享、内容讨论和情绪反应的关系。我们考察了四个主题下的气候变化讨论：第27届联合国气候变化大会、联合国政府间气候变化专门委员会第六次评估报告、气候难民以及多尼亚纳自然公园。虽然转发以回声室的形式强化了群体内部凝聚力，但通过@提及实现的群体间接触十分显著，这表明接触对立观点会加剧而非缓解极化。意识形态分歧体现为内容差异，并伴随更强烈的负面情绪，尤其是倾向于分享低可靠性信息的右倾社群。我们发现各平台之间存在拓扑对齐，表明意识形态社群跨越多个站点。研究结果表明，气候变化极化是多方面的，涉及意识形态分歧、结构性孤立和情绪投入。这些结果表明，有效的气候政策讨论必须应对公共话语的情绪和身份驱动本质，并寻求弥合意识形态分歧的策略。
英文摘要：
Social media platforms like YouTube and Twitter play a key role in disseminating both reliable and unreliable information about climate change. This study analyses the topology of interactions in Twitter and their relation to cross-platform sharing, content discussions and emotional responses. We examined climate change discussions across four topics: the 27th United Nations Climate Change Conference, the Sixth Assessment Report of the United Nations Intergovernmental Panel on Climate Change, climate refugees, and Doñana Natural Park. While retweets reinforce in-group cohesion in the form of echo chambers, inter-group exposure is significant through mentions, suggesting that exposure to opposing views intensifies polarisation, rather than mitigates it. Ideological divides feature content differences accompanied by steeper negative sentiments, especially from right-leaning communities prone to share low-reliability information. We identified a topological alignment between platforms, indicating that ideological communities span multiple sites. Our findings show that climate change polarisation is multifaceted, involving ideological divides, structural isolation, and emotional engagement. These results suggest that effective climate policy discussions must address the emotional and identity-driven nature of public discourse and seek strategies to bridge ideological divides.
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