Carbon Ecological Footprints Do Now List the various

Carbon & Ecological Footprints

Do Now: List the various ways you depend on energy in a typical day.

American Energy Consumption l Americans consume ______energy person compared to the world average. World United States 5. 0 TOE/person 8. 35 TOE/person Total primary energy supply TOE (tons of oil equivalent) person (2000). l. EA, Energy Balances of OECD Countries 1999 -2000 (l. EA, Paris, 2001).

Where does our energy come from? l _________(Natural Gas, Oil, Coal) l Nuclear Power l Hydropower l Wind Power Renewable Energy l ______ Power l Landfill Methane

What is the connection between Energy and Carbon Dioxide? = Energy Use CO 2 makes up approximately ___ percent of total _______ gas (GHG) emissions.

What is the connection between Carbon Dioxide and Global Warming? http: //www. fightglobalwarming. com/page. cfm? tag. ID=273

What human activity produces the most greenhouse gases (CO 2)? 1. 2. 3. 4. 5. 6. _______ Generation Transportation Industry __________ Commercial Residential Inventory of U. S. Greenhouse Gas Emissions and Sinks: 1990 -2004, EPA.

The average person generates 94 lbs of CO 2 per day.

Reducing your Carbon Footprint l _______ more (_____ less) l Turn off lights when not in the room l Turning down the _____ & air conditioning l _________ l Eat Less _______ l Buy ______ l Don’t _______ food

Carbon Reduction Solutions l Reducing CO 2 emissions benefits: • The _____________________ • ________ l Practices that benefit all three of these are said to be __________.

We Depend on Nature • We exchange energy and matter with our ________ as we – _____ – Drink – ________ • We use – Energy for heat and mobility – Wood for housing and paper – Food and water for living

We Depend on Nature • Nature – _________ our wastes – Provides climate stability – Protects us from ultraviolet radiation • In cities we tend to think of nature as a collection of commodities we obtain from around the world • But nature is the very source of our lives and well being

Ecological Footprints • The______________ _________ used by individuals, cities, countries, etc. • Production and use of goods and services involve land use: have ecological footprints