Microsoft says it's ramping up its efforts to reduce its carbon footprint in response to increasingly dramatic changes to the world's environment.

The software giant on Monday unveiled a corporate plan to increase its pace of meeting sustainability goals, including expediting the move of its data centers to 100% renewable energy.

The company expects to hit its 60% goal by the end of the year and achieve 75% for 2023, surpassing its previous 70% goal.

"The magnitude and speed of the world's environmental changes have made it increasingly clear that we must do more, and today Microsoft is taking steps to do just that," Microsoft President and chief counsel Brad Smith said in a statement.

"We're taking action to put our own house in order, while increasingly addressing sustainability challenges around the globe by engaging our strongest assets as a company -- our employees and our technologies."

Central to Microsoft's efforts to reach its goal is an increase in the company's internal carbon fee to $15 per metric ton on all carbon emissions, nearly double the $8 to $10 its business units previously paid.

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