The Center for Climate and Energy Solutions (C2ES) is a non-profit organization that works to promote practical solutions to climate change. It was founded in 2011 and is headquartered in Arlington, Virginia. The organization conducts research, engages with policymakers and stakeholders, and provides educational resources to help address the challenges of climate change. C2ES focuses on a range of issues, including energy efficiency, renewable energy, carbon capture and storage, and transportation. The organization is funded by donations, grants, and corporate sponsorships.