we forge lasting relationships and design tailored strategies to help mission-driven organizations reach their goals.

We understand the challenges you face — whether it’s tight timelines, limited resources, or the need for consistent, impactful messaging. Our goal is to make sure your sustainability efforts are not only heard, but truly understood.

We offer a full suite of services, including social media, public relations, branding, video production, podcasting, and website creation. With specialized expertise in climate action and marketing, we deliver impactful, measurable results. With each project, we ensure your message aligns in a way that resonates with the world.

Let us save you time and streamline your outreach so you can focus on what truly matters: creating lasting change. Together, we’ll turn your mission into a movement.

MEET MARISSA

Marissa Rosen

Marissa Rosen is the founder, owner, and principal consultant of Climate Social.

She focuses on networking strategies, executing media campaigns, promoting high-profile events, and fostering community engagement to drive positive impact for her clients.

Her work is centered around creating meaningful connections that amplify changemakers' voices and inspire change.

Marissa is proud that Climate Social is a recognized Ally of the Carbon Business Council, and partners with mission-driven for-profit and nonprofit organizations across sectors and industries — some of which include South Pole, Net Impact, World Business Council for Sustainable Development, US Plastics Pact, US Farmers and Ranchers in Action, Fermata Energy, WeSpire, Kontoor Brands, EarthShift Global, Forest Trends, WholeWorks, Biomimicry 3.8, Kleinman Center for Energy Policy, LanzaTech, LanzaJet, Grounded World, and more.

Prior to founding her own company, Marissa worked at TriplePundit where she led corporate sponsored Twitter Chats, garnering millions of impressions per hour. Marissa previously directed marketing for the US DoE's Energy Efficient Buildings Hub stakeholder engagement programs and consulted with startups affiliated with the Wharton Small Business Development Center.

She has contributed to regional and national publications including the Huffington Post, been featured in several podcasts including Environment+Energy Leader's launch episode, and is a multi-year promotional partner of industry events including Sustainable Brands’ annual flagship conference. Marissa is now proud to serve on the Harvard Business Review Advisory Council.

She earned a B.A. in Communications from the University of Missouri, and a Master in Environmental Studies degree from the University of Pennsylvania.

Voices of Our partners

  • Climate Social is great at what they do and we love partnering with them! A lot more traction happens when you bring video content into your social feeds, and as we have partnered in this way, our clients are seeing fantastic results!

    Liz Rubin; Ecodeo

  • We lead two independent agencies, but we are one team working seamlessly for our clients as if their brand were our own! Marissa Rosen is an essential partner and collaborator. With her attention to detail and keen insight into strategy, there is no one I want to work with more.

    Daniel Cherrin; North Coast Strategies

  • We vet our partners carefully. Climate Social met every one of our criteria! Supporting Climate Social with design work for one of their long-term clients was very rewarding, as all of us involved had a lot of trust, clarity of purpose, and professionalism.

    Polina Pinchevsky; RoundPeg