Spanish renewable energy firm Greening Group (<a href="https://www.bmegrowth.es/esp/Ficha/GREENING_GROUP_ES0105709002.aspx" target="_blank">BME:GGR</a>) has registered its first green bond issuance programme for up to EUR 30 million (USD 31m) on Spain’s alternative fixed-income market MARF, the company said on Tuesday.