For thousands of years we use charcoal to make fire. Yet if we sort back to the production cycles of the charcoal industry, and trace the leftovers step by step, the controversial issues that were usually blinded then pop up.
Most of the charcoal factories are located in the tropical areas such as Africa and Southern Asia. People cut tens of thousands trees, chop off all the unneeded stuffs, and burn the tree trunks with 500 degree for one month. Fatal pollutions were generated to both the environment and the local residents. However, places that are lack of electricity still rely on charcoal to make fire for living.
At the same time, in the other side of the world, using refined charcoal as the filter for purifying water and air has long been a tradition in the East Asia. Attributed to the millions of natural pores on the surface of charcoal that is available for adsorption.
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