Andrew Simms is an author, analyst and co-director of the New Weather Institute.

He is a research associate with the Centre for Global Political Economy at the University of Sussex and Fellow at the New Economics Foundation.

[1] Andrew Simms advocates the notion of ecological debt as an illustration of the degree to which economies operate beyond environmental thresholds,[2] and initiated the annual marking of the day when the world is estimated to enter 'overshoot'.

[3] Andrew Simms also served as Policy Director for ten years, Communications Director, and established the Climate Change Programme for the foundation.

[7] A political economist and environmentalist, Simms studied at the London School of Economics for a master's degree in development and international political economy, and has written a number of reports on climate change, globalisation and localisation, development issues, debt (conventional and ecological debt), finance and banking, corporate accountability, genetic engineering and food security.