The Download: climate tech companies to watch and AI’s discovery problem

MIT Technology Review will release its 2026 Climate Tech Companies to Watch list on October 6, featuring ten firms advancing energy storage, nuclear power, transportation and other sectors amid shifting climate policies. Anthropic’s new molecular biology lab announced that its AI agents identified a previously uncatalogued enzyme pattern reminiscent of CRISPR, sparking debate among biologists over whether the finding constitutes a genuine discovery.