JoNova

A science presenter, writer, speaker & former TV host; author of The Skeptic's Handbook (over 200,000 copies distributed & available in 15 languages).


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Could dimming the sun with stratospheric “sky clouds” save Earth (or starve people)

An idea so dumb big government just might do it.

 Bill Gates has a plan to cool the Earth with chalk dust

John Naish, Daily Mail

This initial $3 million test, known as Stratospheric Controlled Perturbation Experiment (SCoPEx) would use a high-altitude scientific balloon (pictured) to raise around 2kg of calcium carbonate dust — the size of a bag of flour — into the atmosphere 12 miles above the desert of New Mexico

Spraying 2 kilo of dust costs how much?

This initial $3 million test, known as Stratospheric Controlled Perturbation Experiment (SCoPEx) would use a high-altitude scientific balloon (pictured) to raise around 2kg of calcium carbonate dust — the size of a bag of flour — into the atmosphere 12 miles above the desert of New Mexico

Indeed, the plans are so well advanced that the initial ‘sky-clouding’ experiments were meant to have begun months ago. …   (to) seed a tube-shaped area of sky half a mile long and 100 yards in diameter.

Here comes the precautionary principle on steriods:

SCoPEx is, however, on hold, amid fears that it could trigger a disastrous series of chain reactions, creating climate havoc in the [...]