Laborers working at coal mines in Dhaka, Bangladesh, carry heavy loads of coal on top of their heads. The job earns them about three U.S. dollars a load. /VCG Photo

Wearing no masks, the work also threatens their health. /VCG Photo

Ships filled with thousands of tons of coal dock on the river's side before transporting the coal to local businesses and power generators. /VCG Photo

Bangladesh plans to expand its coal production to support its economy growth instead of betting on natural gas. The government plans to generate 50 percent of total electricity using coal-based power plants by 2030. /VCG Photo