Beach resorts are a favorite when it comes to travel destinations. But behind the infinity pools and the all-inclusive deals, these massive resorts are taking a toll on the environment and on local communities, says Sarah Stodola, author of The Last Resort. On one hand, they've proven to raise the standard of living for local communities, help create jobs and grow the economy. On the other hand, these communities have lost big parts of their culture and autonomy, and the impact they have on the environment is hard to miss. What is the tipping point in the growth and development of a place?