We have also advised the Mayor of New York, the State of California, and the four Canadian provinces of Alberta, British Columbia, Newfoundland& Labrador and Ontario on their national waste strategies.

• 有关国家垃圾策略，我们已建议了纽约市市长、利福尼亚州和加拿大的四个省(阿尔伯达省、属哥伦比亚省、芬兰省及拉布拉多省)与安大略省。