The earth scale change of climate has brought a new kind of natural disaster and the developed and complicated city system is holding a latent risk of expanding the damage artificially. Also people has been spoiling the health since the immense quantity of chemicals have been produced and already used in pursuit of convenience and various toxic substances have been produced unintentionally and accumulated in environment. Therefore, We need some countermeasures from the viewpoint to prevent the city environment form disaster and to manage environmental risks. So we will develop and improve a new risk management system and a disaster prevention system to preserve and create the city environment where people feel easy and sound in their life.
地球尺度的气候变化带来了一种新的自然灾害，发达复杂的城市体系正面临着人为扩大破坏的潜在风险。此外，由于大量化学物质的产生和使用方便，各种有毒物质在环境中无意产生并积累，人们一直在破坏健康。因此，我们需要从预防城市环境灾害和管理环境风险的角度提出相应的对策。因此，我们将开发和完善一个新的风险管理系统和一个防灾系统，以保护和创造人们在生活中感到舒适和健康的城市环境