Complex solar halo in the sky of Brazil shows extent of nanoscale cloud seeding pollution

A complex solar halo formed in the sky of Altu-Paraíso-de-Goiás in Brazil.

The terrifying beauty of cloud seeding air pollution.

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Tiny ice crystals in the atmosphere create halos by refracting and reflecting light.

It is well-known that tiny ice crystals in the atmosphere create halos by refracting and reflecting light.

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Halos bestow a delicate beauty to the skies and tell us about the crystals inhabiting the clouds.

But are these crystals natural or man-made? To produce ice crystals, you indeed need ice nuclei.

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Ice halo displays range from the familiar circle around the sun or moon to rare and prized events like in these pictures.

Some companies manufacture pyrotechnic cloud seeding flares, which are then used by our governments and officials for hail suppression, rain enhancement and snow pack augmentation.

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Halos can be seen all the year round from the tropics to the poles. Ice crystals in cirrus clouds produce them. The clouds are 3 – 6 miles (5 to 10 km) high and are always cold regardless of their location.

Some climate intervention studies suggest a potential cooling effect of deliberately perturbed cirrus, but at the risk of modifying precipitation inadvertently.

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Ice crystals behave like jewels. Sunlight passing between their faces is refracted and reflected to send shafts of light in particular directions. Halos are the collective glints of millions of crystals.

Climate engineering, the intentional alteration of Earth’s climate is true and nobody knows where it will end. The practice of cloud seeding goes back to the 1940s, and originally arose as a means to dissipate severe storms or produce precipitation. However, cirrus cloud seeding is different from the traditional cloud seeding in many respects: the targeted clouds, the involved microphysical mechanisms and its very intention, which is to modify climate rather than weather.

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