From PEN America:

Five months exactly before the opening of the Beijing Olympics on August 8, International PEN is marking International Women’s Day on March 8 by celebrating the work of three women writers under threat in China: Zeng Jinyan, Tsering Woeser and Li Jianhong. While not actually detained, they are among the many lesser-known dissidents suffering wide-ranging forms of harassment, including brief detentions, periods of house arrest, travel restrictions, loss of work, denial of access to information and communications, heavy surveillance and censorship.

Go here to read the full article.

Go here to send a letter of appeal to the Chinese government. This link includes a sample letter which you can sign and print out.