You could ask your professors and see if they know anything about job openings. Another option is to check out the career center in your college and ask them for advice and assistance.
The United Nations organisation offers intern jobs located in several countries. The International Justice Mission is another organisation which offers some intern jobs.
No, it's not necessary for all students to find summer jobs
Of course, there are lots of these kinds of jobs. You can find some information on this website http://www.hourlycareers.com/job-tips/flexible-jobs-for-students. They give a lot of information about jobs for students.
A college student can look for career advice in several places. Most college campuses have a career services office or similar location where students can meet with staff to develop resumes, apply for jobs, and get advice. Also, most students can consult professors in their respective fields for advice on job searches. For example, a history professor may aid a student in getting work at a museum.
Workopolis and monster are 2 places that you can get information about jobs in airports. Also you can try contacting your local airport. They may have an intern program or work experience programs.
No
No
No.
No, it's not really needed for university students to do so
One can find jobs at Google by viewing their job section on their website. They direct the user on the steps from there, for example there is a section for students.
No.
No.