1. A market-based trading scheme for rights to emit greenhouse gasses that contribute to global warming
   - emission trading scheme

Encyclopedia: ETS

• curly grass fern
• curly pondweed
• curly-coated
• curly-coated retriever
• curly-grained
• curly-haired
• curly-heads
• curly-leafed
• curly-leaved
• curlycup gumweed
• curmudgeon
• curmudgeonly
• currajong
• currant
• currant bush
• currawong
• currency
• current
• current account
• current assets
• current electricity
• current intelligence
• current of air
• current unit
• currently