How can nature be accounted for? How can we track how we are using nature and ensure we are not destroying the environment? Natural Capital is becoming a central theme in national accounting systems. This lecture follows a series of entertaining exercises on how to assemble the evidence and undertake the accounting lying behind natural capital. A lecture by Jacqueline McGlade The transcript and downloadable versions of the lecture are available from the Gresham College website: https://www.gresham.ac.uk/lectures-and-events/natures-numbers Gresham College has been giving free public lectures since 1597. This tradition continues today with all of our five or so public lectures a week being made available for free download from our website. There are currently over 2,000 lectures free to access or download from the website. Website: http://www.gresham.ac.uk Twitter: http://twitter.com/GreshamCollege Facebook: https://www.facebook.com/greshamcollege Instagram: http://www.instagram.com/greshamcollege