Similar to 節水

Low-carbon economy

Waste Electrical and Electronic Equipment Directive

Integrated coastal zone management

Environmental issues in Japan

Basel Convention

Emissions trading

Ballast Water Management Convention

Paris Agreement

Water gun

29th century BC

28th century BC

27th century BC

26th century BC

25th century BC

24th century BC

23rd century BC

22nd century BC

20th century BC

19th century BC