Teach English Abroad is an excellent web site for anyone interested in teaching English in a foreign country. Every year, thousands of people travel to distant countries to teach English. There is a lot of misinformation out there, which is the premise behind the site. Some of these truths about teaching can be found at Myths & Realities.
There is also a variety of courses and certificates for people to become certified as a TEFL: Teaching English as a Foreign Language instructor. These courses suit the different needs of people, but frankly many are a waste of money. In TEFL Certificates, you can learn about what the minimum certificate should be for a reputable course.