在一个时间段内，与基准网站相关性较高的站点包括：
World Wildlife Fund - The leading organization in wildlife conservation and endangered species. Learn how you can help WWF make a difference. [国际网路] - www.world*ildlife.org - -
[国际网路] - www.wri*.org - -
Colorado’s leading public research university, transforming lives since 1876.[国际网路] - www.colorado*.edu - -
worldbank.org - The World Bank Group offers loans, advice, and an array of customized resources to more than 100 developing countries and countries in transition[国际网路] - www.wo*ldbank.org - -
The Nature Conservancy protects Earth's natural resources and beauty. Our conservation efforts are driven by our members. Act Now.[国际网路] - www.*ature.org - -
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