Udara adalah faktor penting dalam kehidupan, namun, di era modern, sejalan dengan perkembangan pembangunan fisik kota dan pusat industri, serta berkembangnya transportasi, telah menyebabkan kualitas udara mengalami perubahan. Dari yang mulanya segar, kini, kering dan kotor akibat dari terjadinya pencemaran udara karena kendaraan transportasi. Lewat penggunaan metode kepustakaan, maka, tampak dengan jelas ada beberapa hal yang harus mendapatkan perhatian yang serius, di antaranya; 1. Pemberian izin bagi angkutan umum kecil lebih dibatasi, sementara, kendaraan angkutan massal, diperbanyak. 2. Kontrol jumlah kendaraan pribadi. 3. Pembatasan usia kendaraan . 4. Pembangunan MRT, dan pembuatan Electronic Road Pricing. 5. Pengaturan lalu lintas, rambu-rambu, dan tindakan tegas terhadap pelanggaran berkendaraan. 6. Uji emisi harus dilakukan secara berkala pada kendaraan umum maupun pribadi. 7. Penanaman pohon berdaun lebar di pinggir jalan yang lalu lintasnya padat serta di sudut-sudut kota.

Aviation safety performance at Wamena Indonesia airport is still relatively low, and this is shown by the high number of accidents that occurred at the airport in the 2013-2018 period, namely 20 accidents. The low performance of flight safety at Wamena airport is suspected to be related to the lack of optimal implementation of safety risk management and the competence of airport staff that still needs to be improved. The study aimed to determine the effect of safety risk management and airport personnel competence on flight safety performance at Wamena airport in eastern Indonesia. The research was conducted using a quantitative approach involving some respondents from airport staff and as many as 60 officers. The results showed that there was a significant direct effect of safety risk management on the flight safety performance of 79.8%; there is a significant direct effect of airport personnel competence on flight safety performance by 81.8%; there is a significant direct effect of airport personnel competence on safety risk management of 98.1%; there is a significant direct effect of safety risk management and the competence of airport personnel simultaneously on flight safety performance by 96% and based on research results show that indirectly safety risk management has an influence on flight safety performance through airport personnel competence of 97.7%.

This study aims to determine the effect of job insecurity, work stress and work environment on turnover intention. The object of this research is employees of the company of supplier security system in Indonesia. The sampling technique used in this study is the sample saturated with the total sample population of 82 respondents and the data analysis used is the statistical analysis of multiple linear regression tests. The results showed that the variable job insecurity had a positive and significant effect on turnover intention, work stress had a positive and significant effect on turnover intention, and the work environment had a positive and significant effect on turnover intention.

Transportation and tourism are two interrelated fields. From the past until now the purpose of people in traveling is growing, ranging from education, holidays, religious activities, health, business and so on. In order to facilitate, accelerate, streamline all human needs processes in such a journey absolutely need a means of transportation that is integrated with each other and sustainable. Given the beauty and richness of nature and culture owned by Indonesia, and through the momentum of ASIAN GAMES 2018 held in Jakarta-Palembang is a huge potential to attract foreign tourists to come to Indonesia that will bring in foreign exchange. The approach in this research is descriptive qualitative method which will be done in detail or in depth discussion through observation and interview, and spreading of questionnaires which in the process of sampling doing randomly to foreign tourists and with sample saturated to citizen of DKI Jakarta public transportation user. Regression analysis was used to analyze the data collected. The result shows that coefficient of transportation towards tourism is 0.55 There is a close relationship between transport and tourism which shown by value of R square is 0.78 and a coefficient of determination is 60.84%.

The study aimed at analyzing the data and information about the effect of service quality and brand trust of Garuda Indonesia to the passengers’ satisfaction and retention. The method used was descriptive and associative. The path analysis was used to analyse the data. The primary data was taken from 245 passengers who have been flying with Garuda Indonesia at least 1 time. The survey was conducted in DKI Jakarta. The result shows that the quality of service and the trusted brand effect simultaneously and partially to the passengers’ satisfaction while those three factors effect simultaneously and partially to the passengers’ retention