KNOW? Portland Cement Association CO 2 Did you

U.S. cement manufacturing contributes of man-made CO2 in the U.S. 5% 4%3% 2%1.5% 2006 U.S. EPA Sector Strategies Report CO 2

Composition 26% sand (fine aggregate) 7-15% Portland Cement 6% air 41% crushed stone or gravel (coarse aggregate) 16% water

33% Manufacturing improvements have reduced the amount of CO2 generated by since 1975

300,000 cars The annual equivalent emissions saved by 2004 ASTM C150 specification change

Second only to water, concrete is the most widely used man- made material...

…more than all other building materials combined World Business Council for Sustainable Development

125 million tons Estimated amount of concrete recycled each year Construction Materials Recycling Association

20 million tons of recycled industrial by-products used by cement and concrete industry in 2006

300” of rain per hour Rate of infiltration through pervious concrete paving

33% decrease in energy needed to make a ton of cement since 1975

Reducing the daily high in Los Angeles by 7°F (4°C), a smaller heat island effect is estimated to eliminate two- thirds of smog episodes

Impact of constructing a typical single family home 2-3% Impact of operating that same home for 100 years 97-98%

Which slice of the pie are you working on? Portland Cement Association