Is there a problem with coffee pod waste? Well, yes. Millions of coffee pods find their way to landfill each year. Read this article on one European city's view.
See also aluminium can, coffee capsule/pod
There are plenty of great coffee machines available which do not require aluminium pods. No pods - less natural resources used and less waste.
Reusable/refillable coffee pods are available: search online.
Check if your coffee pods can be recycled through the Terracycle programme here.
Clean pods and recycle at Whanganui Resource Recovery Centre.
Aluminium loses no quality during recycling and can be recycled endlessly.
If pure aluminium these can be recycled.