
167
Chapter 9
Reducing Greenhouse
Gas Emissions
Key Concepts
This chapter describes the importance of greenhouse gas emissions in green
computing:
• The role of greenhouse gas emissions in global warming
• Cutting embodied energy
• Changing energy sources
• Sweating your supply chain
9.1 Why Greenhouse Gas Emissions Are Important
We discussed energy use in Chapter 8, as well as elsewhere in this book.
Resource use, discussed in the next chapter, may be the most visible issue in
green computing; wasted “stuff” is very visible. Greenhouse gas emissions, by
contrast, are the least visible.
Electricity, while literally invisible (unless it starts a ...