The Download: climate tech companies to watch and AI's discovery problem
The DownloadThe Download: climate tech companies to watch and AI’s discovery problemPlus: OpenAI has scrapped a new AI model over safety concerns. Coming soon: our 2026 list of Climate Tech Companies to Watch With the planet nearing 1.5 °C of warming, climate policies being unraveled, and Big Tech backpedaling on its climate ambitions, it can be tempting to give in to climate doom and defeatism. But despite the headwinds, the world has still made incredible progress.
- ▪The DownloadThe Download: climate tech companies to watch and AI’s discovery problemPlus: OpenAI has scrapped a new AI model over safety concerns.
- ▪Coming soon: our 2026 list of Climate Tech Companies to Watch With the planet nearing 1.5 °C of warming, climate policies being unraveled, and Big Tech backpedaling on its climate ambitions, it can be tempting to give in to climate doom and
- ▪But despite the headwinds, the world has still made incredible progress.
Hacker News (AI / LLM) files mainly under ai. We currently carry 6,878 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | MIT Technology Review |
| Canonical URL | https://www.technologyreview.com/2026/09/29/1145249/the-download-climate-tech-ai-scientific-discovery/ |
| Publication time | Tue, 29 Sep 2026 17:02:00 +0000 |
| Retrieval time | 2026-09-29T17:17:04.216Z |
| Last seen | 2026-09-29T17:17:04.216Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | c9uEgFqeUDiq · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
The DownloadThe Download: climate tech companies to watch and AI’s discovery problemPlus: OpenAI has scrapped a new AI model over safety concerns. By Thomas Macaulayarchive pageSeptember 29, 2026 This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of technology. Coming soon: our 2026 list of Climate Tech Companies to Watch With the planet nearing 1.5 °C of warming, climate policies being unraveled, and Big Tech backpedaling on its climate ambitions, it can be tempting to give in to climate doom and defeatism. But despite the headwinds, the world has still made incredible progress. That’s why MIT Technology Review publishes its annual list of Climate Tech Companies to Watch.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at MIT Technology Review.
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