1. The document discusses strategies for making computing more environmentally sustainable, referred to as "green computing."
2. It outlines initiatives by companies like Dell, IBM, VMware, and Sun to improve energy efficiency in data centers and devices. This includes utilizing virtualization, consulting services, and more energy-efficient hardware.
3. The document also discusses designing computers with recyclability and reduced environmental impact in mind. This involves substituting toxic materials like lead with more sustainable alternatives and making repair and upgrading easier to extend product lifetimes.