The answers to the clues below will have something in common.

1. Unseen barrier to success, perhaps
2. Cause of many traffic jams
3. Tummy-tuck, for one
4. Fins and sawbucks
5. Something that, once started, can be messy and hard to conceal

Answers:

1. Glass ceiling
2. Bottleneck
3. Plastic surgery
4. Paper money 
5. Can of worms

The first word of each answer is something that can be recycled.

Credit:
Billie Truitt
RECYCLING BIN