This workbook by the Biodiversity Finance Initiative (BIOFIN) argues that a new investment and fiscal policy paradigm is required that better incorporates the economic value and financial benefits of biodiversity and sustainable development to address current under-investment in biodiversity projects . This workbook provides guidance on how to improve the integration of biodiversity into fiscal policy, financial planning, and the financial system in general. The workbook is available to download on the website of the BIOFIN Initiative.