https://www.theverge.com/2020/1/16/21068799/microsoft-carbon-capture-climate-changeMicrosoft aims to becoming carbon negative by 2030, meaning that it plans to draw down more planet-heating carbon dioxide than it emits.
The company has been carbon neutral since 2012, canceling out its emissions by purchasing renewable energy and carbon offsets. It has started charging an internal fee on its business units for the greenhouse gases they generate as a way to get its divisions to slash their emissions.