Cambridge, Mass. – October 06, 2026 -- MIT Technology Review has released its 2026 list of 10 Climate Tech Companies to Watch, spotlighting startups and multinational corporations building solutions across energy storage, nuclear power, flood defense and electric vehicle batteries.

Editors vetted dozens of firms before selecting 10 honorees

The newsroom drew on input from researchers, investors, analysts and academics over several months of deliberation to narrow the field to 10 companies judged best positioned to address urgent climate threats.