Pickering emulsions are known to be an efficient and greener alternative to surfactant-stabilized emulsions. Particles, as key component of these systems, are responsible for their higher kinetic stability and in recent years, the use of natural organic stabilizers has emerged as a solution to promote sustainability. By conferring them stimuli-responsiveness and/or by polymerizing the Pickering emulsion itself, the design of smart and advanced systems can be achieved. Radical polymerization has been by far the most studied polymerization route, and a wide range of materials were successfully synthesized: foams, composites, capsules, or imprinted microspheres. Not only the sustainability of these materials is improved, but their
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