1. We need ________________________ (10 letters) to reduce speed limits. 2. Burning ________________ (4 letters) contributes to the greenhouse effect. 3. There are _____________________ (9 letters) solutions to traffic congestion. 4. Public transportation is located close to popular ________________________ (12 letters) 5. In an __________________________ (9 letters), go to the hospital. 6. We can use ____