The phrase "industrial smokestacks" refers to tall structures typically found in factories or industrial areas. These smokestacks release smoke, gases, or pollution into the air as a result of industrial processes. Full definition
Heavy metals from industrial smokestacks circle the globe, even settling in the pristine snows of Antarctica. (discovermagazine.com)
Mercury is a neurotoxin that settles into the ocean in large concentrations after we spew it out of industrial smokestacks when burning fossil fuels like coal and oil. (scientificamerican.com)
When the Environmental Protection Agency sought to relax standards on industrial smokestack emissions, environmentalists erupted again, and the administration ordered a retreat. (discovermagazine.com)