A plastic spoon is a boon if you are eating ice-cream during a picnic. But, a curse if the spoon snaps and is chucked into a waste basket. Eventually, the broken spoon will end up in a landfill site, where it will take many decades to rot down, if ever!
it can be both a boon and a curse,it depends on how we use it.
It can be both a blessing (boon) and a curse (bane).
I would say both, but mostly a boon because although it can be damaging to the environment if it is not disposed of properly, it is also a very useful material and can mostly be recycled.
BOTH
Televisions can be considered to be boon and not curse.
Robots are a boon if we utilize it properly, and a curse if we do not.
Fashion can be boon for some. For others it is a curse.
i want speech on cell phone is a boon or a curse both
A "boon" is a "benefit" or "bonanza"; in this context, a curse is the opposite.
a boon
BOON
I like them - so I vote boon.