This open access book with contributions by leading global experts from diverse specialization defines a new development paradigm built on Lifestyle for Environment (LiFE). The volume outlines the contours of LiFE across five facets namely ethics and value system; sustainable consumption and production; modalities of systemic transformation; financing for resilient infrastructure, cities and societies; and wellbeing measurement going beyond GDP. The book prepared as part of the Think 20 (T20) India Task Force 3 on “LiFE, Resilience and Values for Wellbeing” presents deep insights on socio-economic transformation and ecological balance from a multi-disciplinary perspective. It highlights the importance of normative frameworks in economic thinking, equitable access to finance and technology, role of social enterprises, and imperatives for measuring wellbeing. The book is a must-have resource for political leadership, legislators, policy makers, diplomats, and international organizations in addition to the academic community.