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These startups hope to spray iron-rich particles above the ocean to fight climate change | MIT Technology Review

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The intervention may break down methane, mimicking a phenomenon that could have amplified ice ages. But scientists say far more basic research still needs to be done.

These startups hope to spray iron-rich particles above the ocean to fight climate change | MIT Technology Review Skip to Content Within the next 18 months, a Palo Alto–based startup wants to begin releasing a small quantity of iron-rich particles into the exhaust stream of a shipping vessel crossing the open ocean. Blue Dot Change hopes to determine whether the particles will accelerate the destruction of methane, one of the most powerful greenhouse gases in the atmosphere. If it works, the four-person company hopes to begin spraying the particles on commercial scales within a year after that,

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