资讯
New World Wildlife Fund report reveals that the overwhelming majority of Americans agree that protecting nature is crucial ...
WWF survey on American attitudes toward nature. Americans united by love of and appreciation of nature and concern about threats to nature ...
Yosemite National Park encompasses over 748,000 acres in California's Sierra Nevada mountains. Established in 1890, it is one of the earliest national parks in the United States. Yosemite Valley, the ...
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