This article reviewed the climate change assessment reports and related research results, and summarized the impacts of climate change on Asia-Pacific region and ocean region (hereinafter referred to as the Asia-Pacific region), the adaptation and risk management, etc. Results show that the climate and the marine environment in the Asia-Pacific region have obvious changed, with results of land and sea surface temperatures rise, glaciers and snow melting, and distribution pattern changes of the monsoon, rainfall, and ocean circulation in this area. The impacts of climate change on the sea and the risk are mainly as follows:the increase of marine habitat loss and the decrease of biological diversity, migration and the seasonal behavior change of marine species, the frequent appearances of marine ecological disasters such as red tides and green tide in the offshore China, and the threats to economic and social security and the sustainable development of the marine industry in the coastal areas due to continual rising in sea level, strong storm surge and frequent flood. And, due to the uniform effects of marine climate change and risk distribution, high vulnerability areas such as low-lying coastal zones with their communities will be suffered the most. In this paper, a number of cooperative strategies responding to climate changes were presumptively put forward based on the concept of risk management.