The method used in this research is a collaborative action research which
was conducted  in  two  cycles  at  the  eighth  grade  students  of  SMP  Negeri  3
Sukoharjo from August 2nd to October 1st  2012,  in which in the first cycle there
were  3  meetings  and in the  second  cycle there  were 2 meetings.  Each  cycle consisted of four steps: planning, implementing, evaluation, and reflection. The research data were collected by using observation, questionnaire, interviews, field notes, photographs, and tests. The qualitative data were analyzed through assembling the data, coding, comparing, building interpretations, and reporting the outcomes. The. quantitative data were analyzed by comparing the mean scores of the pre-test and the post-tests.
The  research  findings  show  that  Google  Docs  could  improve  students' writing skill of descriptive text and classroom climate of English class. The improvement of students'  writing skill includes: 1) students could develop their idea; 2) students were able to make coherence and cohesive text; 3) students could find and use the appropriate vocabularies; 4) students made fewer mistakes in grammar; 5) students made fewer mistakes in spelling, punctuation, and capitalization. The improvement of classroom situation includes: 1) students were always ready to have writing class immediately; 2) students developed the idea fluently without talking with other students; 3) students  paid full attention to the lesson; 4) it did not take  students a long time  anymore to write  sentence; 5) students made less noisy during the lesson. The meaan score had the improvement from pretest to the post-test 2. In the pretest, the students got 62.39, while in the post test 1   they got 69.91 and in the post test 2 they got 77.04.
The researcher finds that this research could improve students' writing skill
and the class climate. It becomes one appropriate way in teaching writing. The· researcher hopes that  what he had done provides other teachers  inspiration to conduct a collaborative action research in their classroom. Teachers should always try to create an interesting media in their writing class in order to make students interested in writing.