Watching a large television for 5 hours
CO2e: 0.18kg (3 hours)
http://michaelbluejay.com/electricity/howmuch.html gives
| 55-90 watts | 19″ television |
Assume large TV is 100 watts. 5 hours is 18000 seconds. Electrical energy is 100 * 18000 joules or 1.80 megajoules. This creates 0.18 Kg CO2.