Sector wise emissions

🌍 Global Carbon Emissions by Sector (Approximate % Share)

Sector	Emission Share	Key Contributors
Energy (Total)	~73%	Includes electricity, heat, transport, manufacturing, etc.
– Electricity & Heat Production	~25%	Power plants burning coal, oil, gas
– Transport	~14%	Road, air, sea, rail vehicles (mostly fossil-fueled)
– Manufacturing & Construction	~12%	Cement, steel, chemical industries, machinery
– Other Energy Use (e.g., fuel combustion in buildings)	~10%	Cooking, heating, cooling in homes and businesses
Agriculture, Forestry & Land Use (AFOLU)	~18%	Deforestation, livestock, fertilizers, rice cultivation
Industrial Processes	~5%	Cement (CO₂), refrigerants (HFCs), chemical production
Waste	~3%	Landfills (methane), wastewater treatment

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🔍 More Detailed Sector Emissions

1. Transportation
   • Road vehicles: ~10%
   • Aviation: ~2.5%
   • Shipping: ~1.5%
2. Agriculture
   • Methane from livestock
   • Nitrous oxide from fertilizer
   • Land-use change (deforestation)
3. Industry
   • Cement production (notable for process emissions)
   • Steel & aluminum
   • Chemicals (ammonia, plastics)
4. Residential & Commercial Buildings
   • Energy use for heating/cooling
   • Cooking
   • Lighting and appliances (indirect emissions from electricity)

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🗺️ Regional Variation

• Developed nations have higher emissions from energy and transport.
• Developing nations may have higher emissions from agriculture and land-use changes.