世界环境日为每年的6月5日，它反映了世界各国人民对环境问题的认识和态度，表达了人类对美好环境的向往和追求。它是联合国促进全球环境意识、提高政府对环境问题的注意并采取行动的主要媒介之一。

June fifth is the World Environment Day. It not only reflects people's understanding and attitude towards environmental issues, but also expresses human's yearning and pursuit for a better environment. It is one of the main methods for the United Nations to promote global environmental awareness and raise government's attention to environmental issues and take action.

联合国环境规划署在每年6月5日选择一个成员国举行“世界环境日”纪念活动，发表《环境现状的年度报告书》及表彰“全球500佳”，并根据当年的世界主要环境问题及环境热点，有针对性地制定“世界环境日”主题，总称世界环境保护日。

On this day, the United Nations Environment Programme selects a member country to hold the commemoration of world environment day, publishes the annual report on the state of the environment and commends the top 500 countries in the world. According to the world's major environmental problems and environmental hot spots currently, the theme of World Environment Day is specifically formulated, which is called world environment protection day.

许多国家、团体和人民群众在“世界环境日”这一天开展各种活动来宣传强调保护和改善人类环境的重要性，同时联合国环境规划署发表世界环境状况年度报告书，并采取实际步骤协调人类和环境的关系。

Many countries, communities and people carry out various activities on world environment day to publicize the importance of emphasizing the protection and improvement of human environment. At the same time, the United Nations Environment Programme publishes the annual report on the state of the world environment and takes practical steps to coordinate the relationship between human beings and the environment.

世界环境日，象征着全世界人类环境向更美好的阶段发展，标志着世界各国政府积极为保护人类生存环境做出的贡献。它正确地反映了世界各国人民对环境问题的认识和态度。

World Environment Day is a symbol of the development of human environment in the world. It is also a symbol of the contribution of governments around the world for the protection of human living environment. It correctly reflects the world's people's understanding and attitude towards environmental issues.

1973年1月，联合国大会根据人类环境会议的决议，成立了联合国环境规划署(UNEP)，设立环境规划理事会(GCEP)和环境基金。环境规划署是常设机构，负责处理联合国在环境方面的日常事务，并作为国际环境活动中心，促进和协调联合国内外的环境保护工作。

In January 1973, the general assembly of the United Nations established the United Nations Environment Programme (UNEP), the Global Council Environmental Planning (GCEP) and the environment fund in accordance with the resolution of the conference on the human environment. UNEP is a permanent body responsible for the day-to-day environmental affairs of the United Nations and serves as the centre of international environmental activities to promote and coordinate environmental protection within and outside the United Nations.

它正确地反映了世界各国人民对环境问题的认识和态度。部分主题如下：

It correctly reflects the world's people's understanding and attitude towards environmental issues. Some topics are as follows:

2013年：思前，食后，厉行节约

中国主题：同呼吸，共奋斗

2014年：提高你的呼声，而不是海平面

中国主题：向污染宣战

2015年：可持续消费和生产

中国主题：践行绿色生活

2016年：为生命呐喊

中国主题：改善环境质量，推动绿色发展

2017年：人与自然，相联相生

中国主题：绿水青山就是金山银山

2018年：塑战速决

中国主题：美丽中国，我是行动者

2013: think before, eat after, save the source

Chinese theme: breathe and fight together

2014: raise your voice, not sea level

Chinese theme: declare war on pollution

2015: sustainable consumption and production

Chinese theme: green life

2016: cry for life

China theme: improving environmental quality and promoting green development

2017: man and nature are connected

Chinese theme: green water and green mountains are golden mountains and silver mountains

2018: quick decision of shaping war

Chinese theme:Beautiful China, everyone should make effort

地球是人类和其他物种的共同家园，让我们一起宣传起来，提醒全世界注意地球状况和人类活动对环境的危害，让我们在这一天开展各种活动来强调保护和改善人类环境的重要性，让我们每一天都为保护我们共同都家园出一份力!

The earth is the home of human beings and other species. Let's propagandize together, remind the world to pay attention to the state of the earth and the harm of human activities to the environment. Let's carry out various activities on this day to emphasize the importance of protecting and improving the human environment, and let's contribute to protecting our common home every day!