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The community service program for planting mangrove trees at Tirang Beach, Semarang aims to increase public awareness of the importance of mangrove ecosystems and improve coastal environmental conditions. This program will be implemented through mangrove tree planting activities and counseling regarding the benefits of mangrove ecosystems for the environment. The method that will be used in this program is data collection through surveys to determine the level of public awareness regarding the importance of mangrove ecosystems and coastal environmental conditions. Furthermore, mangrove tree planting activities will be carried out together with the local community, involving experts in the environmental and fisheries fields. In addition, counseling will be carried out regarding the benefits of mangrove ecosystems for the environment, including as a place for various types of fish and wild animals to live, as well as protecting the coast from abrasion. Through this program, it is hoped that people will become more aware of the importance of preserving mangrove ecosystems and protecting the coastal environment. The expected results of this program are increasing public awareness of the importance of protecting the coastal environment and mangrove ecosystems, as well as increasing the number of mangrove trees on Tirang Beach. This program is also expected to be an example for other communities to preserve the environment and encourage the creation of a healthier and more sustainable environment.

Penelitian ini bertujuan untuk mengetahui pengaruh iklim organisasi terhadap kepuasan kerja, mengetahui pengaruh pengaruh komitmen organisasi terhadap kepuasan kerja, mengetahui pengaruh pengaruh iklim organisasi terhadap perilaku kewargaan organisasi, mengetahui pengaruh komitmen organisasi terhadap perilaku kewargaan organisasi. perilaku kewargaan organisasi dan pengaruh kepuasan kerja terhadap perilaku kewargaan organisasi. Sampel dalam penelitian ini sebanyak 177 responden. Pengumpulan data dilakukan dengan menggunakan kuesioner. Setelah itu dilakukan uji validitas menggunakan SPSS sedangkan uji reliabilitas menggunakan Structural Equation Modeling (SEM). Teknik Analisis Data diolah menggunakan SEM dengan program AMOS versi 19.0 Hasil penelitian ini menunjukkan bahwa iklim organisasi berpengaruh positif dan signifikan terhadap kepuasan kerja, komitmen organisasi berpengaruh positif dan signifikan terhadap kepuasan kerja, iklim organisasi berpengaruh positif dan signifikan terhadap Organizational Cityship Behavior , komitmen organisasi berpengaruh positif dan signifikan terhadap Organizational Cityship Behavior , kepuasan kerja dan pengaruh positif signifikan terhadap Organizational Cityship Behavior .    

Accurate weather prediction information is important for various fields that are closely related to weather forecasting, such as agriculture, fisheries and many more. Because precise weather forecasts are very useful for various fields of carrying out various activities. Because of that, it is necessary to make an application to find weather or rainfall prediction information, so that the information can be utilized optimally by the community. In this journal the authors apply the k-nearest neighbors (k-NN) method based on rainfall data obtained from the Bogor climatology station from 2016-2017 and the test results show that the predicted rainfall for the Bogor area with the K-Nearest Neighbor algorithm obtained a value of 0, 93148.