36 Brokerage of financial services in the field of environmental and pollution credits, namely, arranging the purchase, offer and exchange of carbon offset credits, emission credits and renewable energy certificates for the purpose of reducing carbon emissions; commodity trading for others, namely, the purchase, sale or exchange of carbon offset credits via commodity exchanges on behalf of clients; brokerage of carbon-dioxide and other greenhouse gas emission credits on behalf of offset producers, namely, arranging the purchase, offer and exchange of carbon offset credits, emission credits and renewable energy credits