News http://www.boston.com/lifestyle/green/articles/2009/11/30 /new_england_sending_a_crowd_to_climate_talks/ http://www.cnn.com/2009/US/11/28/tracking.trash/index. html http://www.reuters.com/article/email/idUSTRE5AM4GR200 91123 http://www.reuters.com/article/email/idUSTRE5AN4L62009 1124 http://www.boston.com/news/local/articles/2009/11/29/les s_trash_adds_up_to_more_cash/ http://www.boston.com/news/world/europe/articles/2009/ 11/30/climate_talks_progress_but_hurdles_remain/ http://www.boston.com/business/articles/2009/11/30/rem odeled_star_market_well_stocked_with_innovative_green_t echnologies/ Household Energy (Gas Heat) My house-November 173 “therms” – $0.45 per day – $0.39 per therm for first 29 therms – $0.22 per therm for next 39 therms – $1.36 per therm delivery charge – Total Cost is $266 What is a therm? Therm =100,000 British Thermal Units (BTU) ~100 cubic feet of natural gas at standard temperature and pressure 29.3 kilowatt-hours http://www.onlineconversion.com/energy. htm 1 therm = 0.80 gallons of gasoline – 173 thems = 138 gallons of gasoline 1 therm ~ 11 pounds of dry wood Household Energy (Electricity) 1542 kilowatt-hours – Delivery charges $0.065 per kWh – Generation charges $0.108 per kWh Total Cost=$333 1542 kwh=42 gallons of gasoline How much energy does it take to power a human? 2000 Calories per day 365 days per year 730,000 Calories = 23 gallons of gasoline per year – Or about 600 miles driven Energy Usage Figure by UMB OpenCourseWare Energy Usage Industrial (Facilities used for producing and processing goods.) – 22% chemical production – 16% petroleum refining – 14% metal smelting/refining Transportation (Vehicles which transport people/goods) – 61% gasoline fuel – 21% diesel fuel – 12% aviation Residential (Living quarters for private households.) – – – – – – – 32% space heating 13% water heating 12% lighting 11% air conditioning 8% refrigeration 5% electronics 5% wet-clean (mostly clothes dryers) – – – – – – – 25% lighting 13% heating 11% cooling 6% refrigeration 6% water heating 6% ventilation 6% electronics Commercial (Service-providing facilities and equipment (businesses, government, etc) Energy Homework (2 pts) 1.) Find your household Electricity and Heating (oil, natural gas, or propane). Determine your annual energy usage per household. – Note: If you rent and do not pay your own utilities, try to find this from your landlord. If not available, find this number for the average American. 2.) Convert the total energy usage (for electrical and for heat) to gallons of gasoline (US) using the following website: http://www.onlineconversion.com/energy.htm 3.) Estimate how much energy your household could realistically conserve. Images removed due to copyright restrictions.