'Umbrella' the size of Argentina to block sun's rays and cool Earth
Briefly

'We at the Technion are not going to save the planet. But we're going to show that it can be done.' - Yoram Rozen
Erecting any of these 'megastructures' in space would be very expensive and require a major international collaboration through reallocation of funds from military budgets to peaceful purposes.' - Harvard physicist Avi Loeb
Read at Mail Online
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