It also reviews financing for green growth and how the country faces climate change-related challenges. To do this it must catalyse investment and innovation which will underpin sustained growth and give rise to new economic opportunities (OECD 2011). Investment for green growth includes, among other things, investment in infrastructure such as renewable energy, energy efficiency, water purification and distribution systems, transport and housing, the preservation of natural resources and waste management (OECD 2015).