What are the disadvantages for having globalization?

Free trade simply kills competition by letting the developed countries surpass the poor ones. It is namely the globalization which lead to an even wider discrepancy in wealth distribution.

1. Globalization can ruin the environment. Moving things from one area to another wastes oil, etc.

2. Globalization can ruin local economies. There is a movement that wants to buy local - especially organic foods.

3. Globalization can lead to hyper-specialization, which can be good, but also negative.