coal chunks of all sizes are concentrated in the center of a velvety black background, seen from above. the glossy coal surfaces

coal fossil fuel energy pollution industry carbon black surface environment power global warming climate change mining natural resources raw material source dark background fragments industrial crisis sustainability extraction footprint environmental impact nonrenewable dust air dirty atmosphere emissions production earth damage toxic heavy smoke soot contamination harmful consumption burning resource depletion chunks all sizes are concentrated center velvety seen from above glossy surfaces different-sized pieces form cluster middle rich backdrop viewed top rough texture contrasts sleek highlighting mix rawness refined sophistication