Hewlett-Packard, PepsiCo, Procter & Gamble and eight other global companies [Cadbury Schweppes, Dell, Imperial Tobacco Group, L'Oreal, Nestle, Tesco, Reckitt Benckiser Group, Unilever] are assessing the emissions of their supply chains as part of efforts to cut greenhouse gases and inform investors of their so-called carbon footprint. Each picked as many as 50 of their suppliers to reply to questions from the Carbon Disclosure Project by March, the CDP said…The plan "will encourage suppliers to measure and manage their greenhouse-gas emissions," said Paul Dickinson, chief operating officer of the group…Goldman Sachs Group, Merrill Lynch and HSBC Holdings are among the investors cooperating with the project.