The Sphere Handbook is marking its 20th anniversary with the publication of this fourth edition. It is the result of an intense year-long mobilisation of humanitarian actors around the globe and reflects two decades of experience using the standards in front-line operations, policy development and advocacy to uphold principled quality and accountability. With a clear, rights-based framework, the Handbook builds on the legal and ethical foundations of humanitarianism with pragmatic guidance, global good practice and compiled evidence to support humanitarian staff wherever they work. Sphere holds a unique place in the sector and in the constantly evolving humanitarian landscape. This edition was clearly informed by the international commitments made at the first World Humanitarian Summit in 2016, the 2030 Agenda for Sustainable Development and other global initiatives.
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