An Israeli startup says its new technology will save the planet, scientists have doubts

The startup Gigablue announced with fanfare this year that it reached a historic milestone: selling 200,000 carbon credits to fund what it describes as a groundbreaking technology in the fight against climate change.

Formed three years ago by a group of entrepreneurs in Israel, the company says it has designed particles that when released in the ocean will trcarbon at the bottom of the sea. By “harnessing the power of nature,” Gigablue says, its work will do nothing less than save the planet.

But outside scientists frustrated by the lack of information…