Funds rush to take the temperature of their portfolios

Big investors, including BlackRock, are using new metrics to measure their funds’ carbon emissions

The world’s biggest asset manager is about to choose a methodology to help it calculate whether its equity and bond funds are contributing to unconstrained global warming.

In his annual letter to investors on January 26, chief executive Larry Fink committed BlackRock to publishing a ‘temperature-alignment metric’ for its public funds that invest in markets with reliable data. The firm is evaluating the most popular methodologies for calculating the metric, according to a person familiar with

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