About five years ago, Microsoft created an internal carbon tax of sorts. Since then, business units have been responsible for carbon emissions associated with their electricity use and air travel. This year, the company began estimating the carbon footprint of its business travelers' hotel stays. It will assess whether to include that information in calculations for the carbon charge.
Meanwhile, the $85 billion tech giant also intends to help travelers understand the environmental impact at each stage of their journeys, based on their travel persona.
Marta Rodriguez Martinez, a . . .