Microsoft said Thursday it would become “carbon negative” by 2030 as part of a ramped-up effort by the US tech giant to combat climate change. The company said the move would by 2050 remove from the environment all the carbon emissions it has created since it was founded in 1975. Microsoft, one of the world’s most valuable companies, said in a blog post that it has been carbon neutral since 2012 but that “neutral is […]