Possible Clues:

• See 2
• Compost collection
• We must cross a street for litter
• Compost, e.g
• Throw it away
• Proverbial result of 28 Across
• Rubbish tips in Wales are spoiling the environment
• "__ not, want not"
• Superfluous part of garment, we're told
• Start of week as the husband's taken out rubbish