‘Working with clients saving the world is a privilege’: Third Hemisphere wins three new climate tech clients

January 31, 2025 9:44

Leading tech, finance, and impact PR agency Third Hemisphere has strengthened its climate tech portfolio with several client wins, Mumbrella can reveal.

Third Hemisphere has represented dozens of climate tech and sustainability clients over the years, including Virescent Ventures, Greenhouse, Climate Salad, the Impact Investment Summit, ImpactX, Gelion, and HydGene Renewables.

These new wins demonstrate the agency’s deep sector expertise.

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Lauren McNamara

Lauren McNamara is a freelance journalist. She previously spent three years at Mumbrella, most recently as the associate editor. She left her staff role in August 2025.