In support of international polar year , thewed themeselectedfor 2007focuses on the effects thatclimatechangeishaving on polar ecosystems and communities , and the ensuing consequences aroundtheworld 此主题作为对2007国际极地年的支持,重点集中在气候变化对极地生态系统和社会的影响以及随之接踵而至的对全球造成的各种后果。