How grocery apps deliver in just 10 minutes using dark stores, data-driven stocking and fast delivery systems.

In April, Amazon officially relaunched its state-of-the-art, same-day delivery center, nicknamed SKY2 on Plantside Drive.

“For the same demand, fast shipping definitely increases emissions 10 to 12%,” she said. To meet tight delivery windows, retailers may rely on air freight, which produces far more emissions than other ...