* Institutional investors who manage $41 trillion in assets seeking enhanced disclosure from companies of their greenhouse-gas footprints and climate-risk assessments;

* The largest leveraged buyout in history being altered to gain the approval of environmental advocates due to concerns over greenhouse-gas emissions; and

* The world's largest retailer turning to its suppliers to ask them to report on their greenhouse-gas emissions. 

Surely similar developments will continue apace as world leaders consider a future global agreement to mitigate climate change and avoid what is known in global treaties as "dangerous anthropogenic interference" with the world's climate. Moreover, one of the key scientific insights that has emerged over the past year is that - even with aggressive measures to reduce greenhouse-gas emissions - certain global consequences are already locked in and will require active management to enhance resiliency and avoid harmful consequences through adaptation. From a risk-management perspective, the goal is to "avoid the unmanageable and manage the unavoidable," as a group of scientific experts convened by the United Nations Foundation aptly phrased it.

What Should Business Leaders Do?

What, then, is business leadership to do in the face of this profoundly shifting landscape? As a preliminary matter, the luxury to sit back and simply observe these trends without any particular consequences appears to have dissipated. Society, so it seems, is at an inflection point where companies are now being characterized either as part of the solution or part of the problem. Indeed, many nimble companies today are staking out positions as first movers taking advantage of new market opportunities - such as in clean energy, promoting energy efficiencies, and with the emerging carbon markets. Others are finding opportunities to participate in designing the emissions regulatory framework by which they undoubtedly will live for some time. Increasingly sophisticated financial analyses and targeted investment funds are demonstrating the existence of an "ecoefficiency premium" in the value of companies who recognize the strategic advantage that can result from these trends.

A key starting place for any organization is broad thinking about climate impacts. For many companies, climate risk goes way beyond a simple compliance issue and implicates basic strategic choices. Climate-related physical events can be broadly disruptive of basic business requirements such as power supply, transportation, telecommunications, as well as access to facilities, employees, and customers - regardless of a company's industrial sector. Storms, wildfires, and drought can be devastating without adequate planning. New climate regulations, customer-driven demand, and a newly imposed price on carbon can make some products more or less attractive and may alter a firm's value proposition. Key business resources, such as clean water for industrial production, energy, or timber, may become increasingly scarce or more expensive. It will be critical to assess and plan for each of these impacts over the short, medium, and long terms.

Three Trends Critical for Managing Climate Risk

Three emerging trends - alone or perhaps even in combination - may prove central to the adequacy of business climate strategy development.

Trend #1: Climate Issues Move Into the Courtroom. The spring 2007 decision from the Supreme Court - finding that greenhouse gases from motor vehicle emissions can be regulated under existing federal laws - was complemented by a predicate finding that litigants can demonstrate sufficiently imminent harms, such as from rising sea levels and more intense storms, and sufficient causation to the challenged emissions to be allowed to press such challenges today. This threshold determination was enormously significant. Litigation has now been brought in state and federal courts against huge segments of the American economy.

While these cases have faced mixed results thus far, they change the tenor of the debate as they heighten the imperative to have taken necessary and prudent steps to understand and begin to manage climate risks. 

Trend #2: Enhanced Demands for Carbon Disclosure. The second key trend is that of enhanced demands for disclosure of greenhouse-gas footprints, physical risks, and the strategic implications of climate change on businesses. The latest report from the Carbon Disclosure Project - which asks for such disclosure from more than 2,000 public corporations - is made on behalf of institutional investors managing in excess of $41 trillion in assets. The Carbon Disclosure Project is deepening its efforts by serving in the future as the secretariat of a new international voluntary standards body - known as the Climate Risk Disclosure Standards Board - that will seek to compel more rigorous and complete disclosure around this range of climate risks. 

Couple these developments with a sophisticated petition filed in September 2007 by advocates and institutional investors asking the Securities and Exchange Commission to clarify the nature of required public reporting around climate risk. The power of this issue was exemplified by subpoenas filed shortly thereafter by New York State's attorney general, asking companies to provide internal documents that would justify their limited climate-risk disclosures. The appropriate scope of the subpoenas and of underlying corporate risk analysis has been subject to contest.

These developments happen, of course, in an era where it is clearer than ever that businesses do not operate alone in the world. Complex supply chains and instantaneous global communications multiply the potential effect of an issue or incident in any one area. Stakeholders and outside interest groups provide the opportunity for new partners - or they may constitute new critics.

Trend #3: The Global Shift in Emissions. The third key trend derives from this connectivity. One feature of greenhouse gases is that they combine in the atmosphere and remain there for a long period of time. Scientists estimate that their effects last from 50 to 200 years. Nor does their source determine these effects - it really is the aggregate impact of emissions in the atmosphere that is of consequence. Yet the contributors to those emissions are shifting rapidly on a global scale.

For years the United States has been the largest emitter of greenhouse gases. It remains the largest contributor to the levels of greenhouse gases aggregated over time and is far and away the largest emitter on a per-capita basis. As it industrializes, China - along with other developing economies - is rapidly moving up in the scale of its emissions. China's annual emissions are projected to outpace those of the United States sometime this year.

For American and European companies that manufacture or source their supply chains in developing countries, this shift can mean a new attention to the climate impacts of their operations.

How Wal-Mart and Others Are Responding

In an effort to get ahead of this issue, Wal-Mart - the world's largest retailer - is working with the Carbon Disclosure Project to seek greenhouse-gas reporting from its 10,000 China-based suppliers. The company intends to work with key suppliers to find emissions reductions and, presumably, will factor the results of this disclosure into its purchasing decisions. Other companies, such as Cadbury Schweppes, are stepping up their supply-chain reporting around greenhouse gases. Private oversight and contracting may be seen by advocates as a substitute for insufficient government inspection capabilities in many developing countries. As the focus sharpens on developing country manufacturing operations, companies should expect new calls to assess all of the strategic elements this implicates - from physical risk vulnerabilities to climate-related events to the adequacy of assessment and management of greenhouse-gas risks and opportunities in a carbon-constrained economy.

For the full article, visit http://www.mmc.com/knowledgecenter/viewpoint/Looking_Forward_and_Back_on_Climate_Change.php

Gary S. Guzy is the global practice leader for Climate Risk and Sustainability at Marsh. He spearheads Marsh's climate risk advisory and insurance services and leads sustainability efforts at MMC. Mr. Guzy came to Marsh after his appointment by President Clinton to serve as the general counsel of the U.S. Environmental Protection Agency (EPA).