Local aviators and experimental aircraft pilots have been asked to avoid low level flights over Lake Apopka, which can cause the birds to disperse into the danger zone.

CNN: Chemicals killing Florida birds, fish

Last month, police in southern Tanzania used teargas to disperse about 200 Christian rioters attempting to torch a mosque over an animal slaughtering conflict.

BBC: Tanzania church hit by deadly explosion

To demonstrate how they would disperse the sulfur dioxide, they had planned to float a balloon over Norfolk, at an altitude of a kilometre, and send a hundred and fifty litres of water into the air through a hose.

NEWYORKER: The Climate Fixers

Last month, police in southern Tanzania used teargas to disperse about 200 Christian rioters attempting to set fire to a mosque following a dispute over animal slaughtering.

BBC: Tanzania church attack: Saudis held for 'act of terror'