As reliance on takeout food grows thanks to the coronavirus pandemic — and with it, the amount of waste generated by every meal — one Bay Area restaurant is exploring an alternative by making reusable packaging a mandatory part of the off-site dining experience. Prior to the pandemic, takeout made up just a small part of the weekly routine at full-service restaurant Zuni Café in San Francisco. It would go through about 150 takeout boxes in a week. Now, under California’s most recent coronavirus restrictions on indoor and outdoor dining, Zuni's usage has increased by more than 100%...