The next 10 years will bring major utility developments for Cambridge and New England, revealed in the Cambridge Planning Board’s annual utility update.

Cambridge is suing over a 5.5-acre solar panel project in Lexington that would cut down more than 1,000 mature trees protecting the Hobbs Brook Reservoir, the main source of Cantabrigians’ drinking water.

A letter from neighborhood groups outlines nearly 30 proposals to the developer IQHQ centered around Jerry’s Pond, the polluted former swimming hole it has come to own.

The nonprofit Green Cambridge has been given a small patch of nature, previously owned by a family dating back to 1636, to safeguard in the rapidly developing Alewife area.

Harvard plans to buy four all-electric buses to replace four existing biodiesel buses – expected to be operational this fall in a 12-bus fleet facilitating approximately 600,000 student trips a year across Harvard’s campuses. The MBTA recently opted for hybrids instead.

The MBTA has signed a contract to switch its electricity supply to 100 percent renewable energy starting Jan. 1. The move will save an estimated $3.5 million dollars annually at a time the agency faces large budget cuts from Covid-19 ridership dips.

The city’s ban on reusable bags ends Saturday, nearly two weeks after a statewide ban ended. The city “takes deliberate and measured steps to help prevent the spread of Covid-19,” the city manager said.

Your favorite T-shirt has seen better days. Now it’s ripped and tattered, and you’re about to toss it in the trash. Stop. You have other options, starting with the Boomerangs and Goodwill in Central Square that accept used clothing in good condition to resell, and drop-off bins throughout the city.

Our global plastic crisis has reached a scale that makes it nearly impossible to imagine that our individual actions can have a meaningful impact. That’s why we are all in this together, and history will be made by individuals inspiring others to take action and to make change when change is hard.

The gifts have all been opened, the sweets eaten. When it’s time to take down your holiday decorations, the city’s Department of Public Works makes it easy to dispose of your holiday tree – and return it to the garden as mulch.