One of the fastest growing opportunities for teaching English is online. There are certain benefits and trade-offs, but the amount of online English teaching positions is steadily growing. The competition can be brutal. I've heard of companies that offer daily tutoring with tutors from the Philippines going for as little as five dollars an hour. As with everything other industry, it looks like global competition is picking up in the English teaching business.
Still, there are plenty of opportunities depending on your qualifications and teaching experience. These articles can serve as a guide to looking at online teaching / tutoring positions as an alternative to the traditional route of teaching overseas or at a local English language school.