Environmental groups plan to stage public protests during the conference.

各环保组织计划在会议期间举行一些公众抗议行动。

It protects against environmental hazards such as wind and sun.

它防范诸如狂风和烈日等环境危害。

the environmental impact of buildings and transport systems.

建筑物和运输体系对生存环境的影响。