A community engagement director plans a city-wide recycling drive across 5 districts. The districts recycle 1.2 tons, 0.9 tons, 1.5 tons, 800 kg, and 2.3 tons of material respectively. If 1 ton = 1000 kg and each ton of recycled material saves 1.5 tons of CO₂, how many tons of CO₂ are saved? - Crosslake