One of the first questions every climate founder gets from investors, accelerators, and even potential partners is deceptively simple: “How big is the market?” Yet for many early-stage climate startups, answering this clearly (and credibly) is surprisingly hard. Numbers get inflated, assumptions go unstated, and TAM/SAM/SOM slides often raise more questions than confidence. That’s exactly […]

At ClimateTechReview, we spend a lot of time talking to early-stage climate founders. One question keeps coming up again and again: “How much should we actually raise?” Not a pitch-deck number.Not a vanity valuation.But a grounded, defensible fundraising target that aligns with runway, team growth, and the realities of building in climate tech. That’s why […]

LF Energy, the open source foundation under the Linux Foundation, wrapped up 2025 with its strongest momentum to date, signaling a growing role for open collaboration in the modernization of global energy systems. From expanded governing board leadership to record-breaking event attendance across three continents, LF Energy’s year-end update underscores a clear trend: open source […]