RIO DE JANEIRO: A type of charcoal first used by Amazonian tribes thousands of years ago is becoming a key component of net-zero goals set by Microsoft Corp, JPMorgan Chase & Co and other blue chip companies eager to offset their carbon emissions.
Known as biochar, this black substance created by heating biomass and other agricultural waste can store carbon for hundreds of years and improve soil quality at the same time.
Already a subscriber? Log in
Get 20% OFF The Star Digital Access
Cancel anytime. Ad-free. Unlimited access with perks.
