evidence: Michigan floats balloon release ban: Pollution prevention or party pooping? - Michigan Democrats eye bans to most intentional balloon releases to prevent pollution - At least 10 other states have similar bans. [...] Aimed at reducing balloon debris pollution, Senate Bill 294 would prohibit most intentional releases of lighter-than-air balloons outdoors. Violations could result in fines starting at up to $800 and rising to $5,000 for second offenses involving big balloons.