Why do Buddhists cremate instead of burying?

A Buddhist, when dead, is most of the time cremated and not buried. Does this have to do with anything in the teachings of the Buddha? As far as I know, burying a body is more Eco-friendly than cremation. I share with you one of the best answers given by the legendary Neil deGrasse Tyson :) https://www.youtube.com/watch?v=afGkv0IT4dU