Net zero: the risks and benefits for companies pledging to save the climate

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This article is brought to you thanks to the collaboration of The European Sting with the World Economic Forum.

Author: Martin Reeves, Senior Partner, Boston Consulting Group and Chairman, BCG Henderson Institute, Boston Consulting Group, David Young, Senior Partner and Managing Director, Boston Consulting Group (BCG), Julia Dhar, Partner and Managing Director and Fellow to BCG Henderson Institute, Boston Consulting Group (BCG), Annelies O’Dea, Project Leader and Ambassador to BCG Henderson Institute, Boston Consulting Group (BCG)

  • Corporate net-zero pledges are gaining momentum, but limitations in net-zero’s design and implementation reduce impact and jeopardize progress.
  • There are 15 limitations which are often manifest in many well intentioned net-zero initiatives.
  • Governments and businesses have the opportunity to leverage momentum while accelerating and strengthening net-zero commitments and progress towards climate sustainability.

A critical mass of the world’s largest companies and countries have now made net-zero pledges, creating a snowball effect that will encourage others to join. As net zero rapidly becomes the standard for government and corporate commitments, it’s appropriate to stop and ask: is net zero a sufficient tool to address climate change?

What does net zero offer

Ostensibly, net zero offers a goal of climate stability and an accounting system to measure progress towards that goal. It is also a platform that an expanding set of players can commit to over time.

Net zero offers the abatement of climate risk for shareholders without abrupt disruption to near-term returns, and reputational benefits for companies that serve customers or businesses that are climate-conscious.

Bur a deeper review reveals significant limitationsto the approach, which, if unaddressed, could easily misrepresent and undermine progress toward the ultimate goal of environmental sustainability. All of these can already be observed in practice.

15 limitations of net zero

Definitional consistency/completeness: Multiple accounting standards and varied implementations of net-zero accounting create room for manipulation, misrepresenting the pace of progress. For example, pledges that target only a subset of activities can make heavy-emitting industries appear to be net zero and delay more transformative change.

Verifiability: The verification of reported reductions and the execution of offset pledges represent an increasingly complex challenge, opening the scheme to manipulation.

Double counting: A single carbon offset can sit simultaneously on multiple entities’ balance sheets, inflating perceived impact.

Delayed impact: Nature-based offsets, such as afforestation schemes, take time to realise their impact. The short-term imbalances between when the offset is credited and when it yields its full benefit can lead to further climate deterioration.

Postponement of decarbonization: Carbon offsets create an “easy solution” that may distract or delay companies from the hard but more meaningful and permanent work of reducing their own carbon emissions.

Permanence: Carbon offsets must be maintained through proper stewardship long after they are “bought” to sustain impact. For example, an acre of forest sold this year as a carbon offset may be destroyed next year due to neglect, fire, or even willful action on the part of the seller.

Non-additivity: If buying a carbon offset leads to a reduction of greenhouse gas emissions that would have happened independently, then the offset is non-additive.

Leakage: Attempts to reduce emissions in one location may shift emissions to another where they are uncontrolled or uncounted. For example, a carbon offset programme that safeguards an area of rainforest in the Amazon from clear-cutting may result in the clear-cutting of an area of rainforest in the Congo Basin.

Economic viability (inflation of offset prices): Pledges made today for carbon neutrality at a future date are effectively commitments to buy offsets at an unspecified price. However, the price of carbon offsets will likely rise in the future due to constrained supply and increased demand. This may make planned offsets economically unrealistic and result in pledges not being fulfilled.

Voluntarism: Achieving a net-zero planet will require 100% of companies and countries to become net zero. However, the elective basis of the net zero will inevitably lead to partial participation. The biggest emitters are likely to have the most intractable challenges and the least incentive to commit.

Moral hazard: Most carbon offset solutions available today involve paying someone to not take an action (e.g. not to log a forest) which creates a financial incentive for offsetting entities to project anaction they had previously not intended to take and be paid for not taking it.

Inequity in economic development: Net zero may inadvertently restrain economic development in poorer nations by diverting a country’s resources for the provision of offsets beyond its borders, rather than economic development. This in turn may create political limits to scaling the net-zero mechanism.

Over-simplification of sustainability as carbon neutrality: Many pledges today are solely focused on the reduction of carbon dioxide, despite methane and nitrous oxide having 30 and 300 times the heat-trapping effect of carbon dioxide, respectively.

Over-simplification of sustainability as decarbonization: The growing focus on greenhouse gas (GHG) reduction goals could be self-defeating if other mechanisms of environmental degradation continue unchecked. For example, the depletion of species and destruction of natural habitats can reduce the natural buffering capacity of the planet, undermining climate sustainability.

A goal without a path: Net zero provides a goal, but not a path to achieve it. The complex, unprecedented, inter-dependent and transformative change required to reach net-zero planetary emissions may not be achievable without a coordinated transition plan and the research, investments, policies and regulations to support it.

What is the World Economic Forum doing on natural climate solutions?

The world faces converging environmental crises: the accelerating destruction of nature, and climate change.

Natural climate solutions (NCS) – investment in conservation and land management programmes that increase carbon storage and reduce carbon emissions – offer an important way of addressing both crises and generate additional environmental and social benefits.

Research conducted for the Forum’s Nature and Net Zero report confirms estimates that NCS can provide one-third of the climate mitigation to reach a 1.5° and 2° pathway by 2030—and at a lower cost than other forms of carbon dioxide removal. This report builds on the recommendations from the Taskforce for Scaling Voluntary Carbon Markets, and identifies six actions to accelerate the scale-up of high-quality NCS and unlock markets through the combined efforts of business leaders, policymakers and civil society.

To foster collaboration, in 2019 the Forum and the World Business Council for Sustainable Development came together to establish the Natural Climate Solutions Alliance to convene public and private stakeholders with the purpose of identifying opportunities and barriers to investment into NCS.

NCS Alliance member organizations provided expert input to develop the Natural Climate Solutions for Corporates, a high-level guide to the credible use of NCS credits by businesses.

Get in touch to join our mission to unleash the power of nature.

Elements of a better path forward

Given these limitations, how do we harness the momentum created by net zero while evolving a more robust set of solutions? Some elements of a better path forward could include the following. Some limitations of net-zero can be addressed through improved definitions and how these are applied in practice.

Establish consistent definitions/standards: Net-zero emission targets must account for all GHGs, covering the full scope of activities.

Distinguish carbon offsets from emission reduction in reporting: Carbon offsets cannot be allowed to substitute for or postpone addressing emissions. Companies should report separately their emissions reductions and their offsets.

Create robust mechanisms of verification: Audited inventories of carbon offset resources can support a marketplace for carbon offsets that can be verified and monitored over time.

Beyond net zero

We must pursue a more multi-dimensional view of sustainability and put in place the financial, operational, technological, behavioural, and cultural support to enable the transformative actions necessary.

Take a multidimensional view of sustainability: Consider sustainability beyond the single dimension of carbon emissions to include all relevant factors, including other GHG emissions, species diversity, air and water quality, and nature preservation.

Develop a behavioural strategy: Understand the behavioural economics of decarbonization and put in place the right nudges, sticks, and kicks to encourage the desired human behaviours.

Ensure sustainable economics for decarbonization and offsets. Expect carbon economics to shift over time as demand for offsets and sustainable inputs create new scarcities and price inflation and bake this into pledges and projections.

Develop transition paths: Identify the major economic, technological, and societal shifts we must make collectively to provide the foundation for individual agents to meet their net-zero targets. Coordinate and sequence these shifts to enable large scale change.

Accelerate innovation: Accelerate the pace of discovery, scaling, and adoption of innovative solutions through increased funding, private & public partnership, and international cooperation. Decarbonization requires better and more cost-effective solutions than we have now and is therefore as much an innovation as an execution challenge.

This article summarizes a longer report from the BCG Henderson Institute, available here.

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