Reuters: Eleven of the world’s largest companies are teaming up to see how they can work with thousands of their suppliers to curb greenhouse gas emissions, a green consultancy said on Sunday. Cadbury Schweppes, Dell, Nestle, PepsiCo, Proctor & Gamble and Tesco are amongst the companies in the scheme, called the Supply Chain Leadership Collaboration (SCLC). The venture is being coordinated by the Carbon Disclosure Project (CDP), a UK-based non-profit organisation that helps …