Sky's the limit: Israeli startup develops balloons to capture carbon

High Hopes Labs developed a system that captures the carbon where it has almost solidified, far above the Earth.

An Israeli startup has joined the fight against global warming by seeking inspiration in the upper atmosphere, where it hopes to send fleets of balloons that will trap carbon dioxide for recycling.

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Carbon dioxide emissions, from the burning of fossil fuels and from industrial agriculture, are the main cause of climate change. But removing CO2 from the atmosphere at standard temperatures requires too much energy for governments and companies to consider it cost-effective.