National Business Review: The implementation of the government’s emissions trading scheme (ETS) at the end of this month means that companies will be able to generate carbon credits to be sold domestically or overseas, says the chairman of a Maori commercial development company working with an Australian operator. Tukia Group chairman Lennie Johnson said he had formed a partnership with New Zealand-based investment and advisory firm Carbonamp;Energy Partners (CEP) and with Australian environmental services …