Climate change will have major consequences for food production, water availability, ecosystems and human health, migration pressures, and regional instability.

气候变化将带来食品生产，可用水，生态系统以及人类健康，迁移压力，地区不稳定性方面的重大后果。

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Species that invade a territory can harm ecosystems, agriculture and human health.

入侵一个地区的物种会危害生态系统、农业和人类健康。

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Longer term changes in climate affect the viability and health of ecosystems, influencing shifts in the distribution of plants, pathogens, animals, and even human settlements.

较长期的气候变化可影响生态系统的生存能力和健康，使植物、病原体、动物、甚至人类住区的分布状况发生变化。

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The degradation of water quality in rivers, streams, lakes, and groundwater systems has a direct impact on ecosystems and human health.

UNESCO: World Water Day 22 March 2010: Clean Water for a Healthy World

Among the many risks of rising temperatures, agriculture, forestry, ecosystems and human health are all expected to suffer as a result of trends in climate change.

CNN: CO2 levels hit new peak at key observatory

It is designed to help freshwater resource managers assure adequate water supplies, safeguard water quality and aquatic ecosystems, and protect human life, health and property.

WHITEHOUSE: Office of Science and Technology Policy Blog