Greenhouse Gas Standards Give Companies a Clearer Climate Roadmap
Companies cannot cut greenhouse gas emissions if they do not know where those emissions come from.
That challenge became easier to address in 2011 when the Greenhouse Gas Protocol launched two major standards for corporate climate accounting. The World Resources Institute and the World Business Council for Sustainable Development developed the standards to help companies measure emissions beyond their own buildings and operations.
The new tools focused on two major areas: emissions across the corporate value chain and emissions associated with individual products.
Measuring Emissions Across the Value Chain
The Corporate Value Chain, or Scope 3, Standard gave companies a way to examine emissions throughout their broader business network.
That includes activities connected to suppliers, transportation, purchased goods, business travel, product use and other parts of the value chain.
As a result, companies could identify where their largest climate impacts occurred. They could then focus money, technology and management attention where emissions reductions could make the biggest difference.
This mattered because a company’s direct operations often represent only part of its total climate footprint.
Understanding the Climate Impact of Products
At the same time, the Product Life Cycle Standard created a framework for measuring emissions associated with individual products.
Companies could examine emissions connected to raw materials, manufacturing, transportation, product use and disposal.
Consequently, businesses gained better information for redesigning products, improving manufacturing processes and reducing environmental impacts.
Consumers could also benefit from clearer information about the carbon footprint of the products they buy.
A Global Corporate Standard
The standards did not come together overnight.
More than 2,300 participants from 55 countries contributed to their development. In addition, 60 companies tested the standards before their official release.
Businesses, environmental organizations, academics and policymakers all participated in the process.
That broad involvement helped create a more consistent global approach to greenhouse gas accounting.
Why Greenhouse Gas Accounting Matters
Measuring emissions does more than produce another corporate sustainability report.
Accurate data can reveal wasted energy, inefficient transportation, high-impact suppliers and carbon-intensive materials. Therefore, emissions accounting can also uncover opportunities to reduce operating costs.
Companies can use that information to improve efficiency, reduce exposure to climate-related risks and strengthen long-term business strategies.
Moreover, consistent standards make it easier for investors, customers and policymakers to compare climate performance across companies.
Scope 3 Has Become Even More Important
The GHG Protocol remains one of the world’s most widely used systems for corporate greenhouse gas accounting today.
Its Corporate Standard provides companies with guidance for developing emissions inventories. Meanwhile, the Scope 3 Standard allows businesses to examine emissions across their entire value chains.
The system generally divides emissions into three categories.
Scope 1 covers direct emissions from sources a company owns or controls.
Scope 2 covers indirect emissions associated with purchased electricity, steam, heating and cooling.
Scope 3 examines other indirect emissions throughout the company’s value chain.
For many businesses, Scope 3 represents the largest portion of their total climate footprint.
Corporate Climate Accounting Keeps Evolving
Greenhouse gas reporting has changed significantly since these standards launched in 2011.
Today, corporations face growing pressure from investors, customers and governments to provide credible climate information.
Meanwhile, the GHG Protocol continues updating its standards. In 2025, GHG Protocol and the International Organization for Standardization announced plans to work toward more unified global greenhouse gas accounting standards.
That effort continues in 2026.
Conclusion
The 2011 launch of the Corporate Value Chain and Product Life Cycle standards marked an important step in corporate sustainability.
Companies gained tools to look beyond their factory walls and office buildings. More importantly, they could begin measuring the climate impact of suppliers, transportation networks, products and customers.
Measurement alone will not solve climate change.
However, companies need reliable data before they can make meaningful reductions.
That remains the power of greenhouse gas accounting. Measure the emissions. Find the biggest opportunities. Then start cutting carbon where it matters most.
“The standards were developed through a global, multi-stakeholder process making them both credible and user-friendly,” said Pankaj Bhatia, Director, GHG Protocol, WRI. “Building on current best practice and extensive input from businesses, governments, and other partners, these standards will be beneficial to businesses and other stakeholders in developing strategies to reduce emissions around the globe.”
The new standards are available at: www.ghgprotocol.org.
