For Business, Climate Change Has Become Real

Since the Paris climate pact, many companies have been pursuing ways to reduce carbon emissions—and meet growing consumer demand for climate-friendly products

The debate over climate change intensified over the decade, amid several of the hottest years on record, several extreme weather events and the publication of a wave of reports on warming. That—along with attention to the issue by policy makers in many countries and increasingly heated rhetoric—brought the issue to the doorstep of business, in the form of environmental disclosures, carbon pledges and green investment.

Big companies, like and Nestlé, set out ambitious—if long-term—plans to become carbon-neutral over...