Amazon Says It Reached a Climate Goal Seven Years Early

Amazon Says It Reached a Climate Goal Seven Years Early

The company said it effectively got all of the electricity it used last year from sources that did not produce greenhouse gas emissions. Some experts have faulted the company’s calculations.
How Bad Is A.I. for the Climate?

How Bad Is A.I. for the Climate?

Tech giants are building power-hungry data centers to run their artificial intelligence tools. The costs of that demand surge are becoming clearer.