Group 1 - The discovery of the mosquito species Aedes vexans in Iceland indicates a significant shift in the region's climate adaptability, as it can survive in sub-zero temperatures, marking Iceland as no longer one of the last mosquito-free areas, with Antarctica now being the only remaining region without mosquitoes [1] - Climate change is contributing to longer summers and milder winters in Iceland, creating a more suitable environment for mosquito survival, which raises concerns about the potential spread of mosquito-borne diseases [1][2] - The increase in extreme weather events globally correlates with the spread of disease-carrying mosquitoes, such as Aedes albopictus, into non-tropical regions, heightening the risk of diseases like dengue and chikungunya [2] Group 2 - Global climate challenges necessitate collective action, as no country can remain unaffected by climate change, emphasizing the importance of international cooperation in addressing these issues [2][3] - China has emerged as a proactive participant in global climate governance, establishing a comprehensive policy framework for carbon neutrality and leading in renewable energy development, contributing significantly to global climate efforts [2] - The interconnectedness of global challenges, such as food and energy crises, highlights the need for collaborative solutions, as illustrated by various initiatives aimed at improving living conditions and food security in developing regions [3]