CREST is a not-for-profit organization that works towards advancing policies and programs related to climate and green energy. Established in 2015, CREST has undertaken various community energy projects to benefit marginalized members of society, such as indigenous peoples, fisherfolks, and upland farmers. They promote climate actions by offering technical support in renewable energy training, design and engineering, and access to green finance for cities, communities, and private institutions.

CREST is managed by a dedicated team comprising leaders from diverse disciplines. They are affiliated with international and local networks, including Climate Action Network Southeast Asia and Power4People Coalition. CREST's founder, Roberto Verzola, known as Ka Obet, was a renowned environmental justice activist and social scientist who played a pivotal role in the adoption of open source systems.

The organization publishes briefing papers, research, and editorials to advocate for climate and green energy policies. They also conduct awareness campaigns, provide capacity-building training, and enhance community access to clean and renewable energy. CREST is committed to building climate-resilient and sustainable systems in cities and communities