Current law allows the release of up to 10 helium-filled balloons in a 24-hour period. But critics say that the law is not widely known and not enforced.

Cracker question because helium balloons are actually a pretty controversial topic. Some people argue that they are harmful to the environment because on returning to Earth, animals mistake them ...

You've probably been to parties decorated by floating helium balloons, but could they soon be a thing of the past? Some people have been posing the question, as there is a shortage of helium.