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Study shows that firms issuing green bonds are better at tackling carbon emissions

Study shows that firms issuing green bonds are better at tackling carbon emissions

New analysis by the Bank for International Settlements shows that companies who issue green bonds are better at reducing greenhouse gas emissions. This is especially true in sectors with high levels of pollution.

The study, published on Tuesday, evaluated the impact of the green bond market which is a near $3 trillion market where companies raise money for projects to limit climate change and benefit the environment.

The study found that the total emissions of green bonds issued in the four-year period following issuance fell by over 10%. Emissions per unit of revenue, a measure for emissions intensity, also dropped by 30%.

The study stated that "the results show that the issuance of green bonds is associated with significant reductions in subsequent GHG emission levels by firms."

The study acknowledges concerns about "greenwashing" by corporations, but it also says that the growth of the green bonds market in recent years and the increasing number of governments issuing them has increased transparency.

Most companies tend to issue a small amount of green bonds compared to their size. This means that they are usually not the main driver of emission reductions. The report concluded that they can be a "good signal" for a company to know where it is going.

One year after the first green bond, "Scope 1 emissions" such as fuel burned in a company’s furnaces or in its fleet of vehicles decreased in average by 21%.

The same results were seen for Scope 1-3, which includes emissions that are less under the control of a company such as those in its supply chain. The intensity of direct emissions remained lower even after three year.

The study used S&P Trucost Data, which it is estimated accounts for two thirds or more of global greenhouse gas emission.

These emissions are not only geographically diverse, but also concentrated primarily in countries that have a large manufacturing sector and high energy intensity, like China, Japan, India, and the United States.

The research shows that it is often "heavy emitters", who reduce their emissions, after issuing green bond.

The study stated that "given the skewness in carbon emissions, it is critical to achieve 'net zero objectives' for society."

(source: Reuters)