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With all the recent concern about the environment, people want to see their money used to better the planet. Here are four well-known environmental organizations.

World Wildlife Fund (WWF)

The World Wildlife Fund is perhaps one of the best-known organizations for the protection of endangered species and their habitats around the world. The've been around for over 45 years. You can donate through their website worldwildlife.org, join their organization as a member, or adopt an animal through their online adoption center.

National Geographic Society (NGS)

National Geographic Society is well-known for their magazine and their specials on TV. The organization itself is one of the longest-running in the world—they've been around since 1888, focus on exploration and conservation of forests, oceans, habitats, species and societies. You choose to donate through the website nationalgeographic.com, buy something at their online store, or order a magazine subscription.

National Wildlife Federation (NWF)

Founded officially in 1937, the National Wildlife Federation tries to protect wildlife at all costs. In fact, they believe that having the public educated is the best way to help the environment—-the more you know, the more you can protect the world we live in. Donations to the NWF can be made through their website nwf. org or through other options, like matching gifts, workplace giving, or memorial donations.

Ecology Fund, com

Set up in 1976£¬Ecology Fund, com is run on user clicks. Advertisers buy ad space on the site every time someone clicks. The money goes to buy endangered wilderness land to protect it from companies that would destroy it. So far, Ecology Fund, com has bought land in many areas. The best thing about this site is that you needn't donate any money—all you have to do is to click.

21.Which environmental organization has the longest history?           

A. Ecology Fund.com.                                        B. World Wildlife Fund.

C. National Geographic Society.                   D. National Wildlife Federation.

22.What does NWF think is the most important in environmental protection?           

A. Knowledge.        B. Management.              C. Money.              D. Patience.

23.In what way does EcologyFund.com differ from the other three organizations?           

A. The size of networks.         B. The way of operation.

C. The strength of influence.        D. The degree of popularity.