More than 60 people gathered in Danehy Park on Tuesday to learn how to help stop tree loss in Cambridge and hear longtime environmental supporter state Sen. Will Brownsberger give an update on current climate change mitigation efforts. 

An irrigation system at Danehy Park broke for more than a month during this unusually hot summer and its drought, bleaching grass and endangering trees in a city already found to be losing tree canopy at an alarming rate.

A visit to Danehy Park in mid-August found 108 trees we categorized in a range from “poor” to “dead.” Of them, 87 were mature and classified as “significant trees” by city law.

In a look ahead at a week of Cambridge and Somerville events, art exhibits such as “Dare to Know” and “Sanctuary City” begin, comedians and advice-givers hold shows, “T: An MBTA Musical” returns and there’s a flurry of festivals and parties from Danehy Park Family Day to Dance Happens Here for the 30th anniversary of the Dance Complex.

In a look ahead at a week of Cambridge and Somerville events, there’s a talk with Nobel Prize laureate Wole Soyinka, visit from vile comedian Neil Hamburger, naughty flutists, a Peter Valentine memorial, the Cambridge Carnival and a number of smaller, end-of-summer festivals and other cultural events.

In a look ahead at a week of Cambridge and Somerville events, there’s a monarch butterfly release celebration, book readings, an improv comedy jam and original musical comedy event, theater and art, Mount Auburn Cemetery walking tour, Rock and Roll Yard Sale, four-day Labor Day campfire. Festival and much more.

In a look ahead at a week of Cambridge and Somerville events, there’s festivals of comedy, hip-hop and Somergloom, plenty of theater and dance, and everything from a Moth Story Slam to a monarch butterfly release celebration.

In a look ahead at a week of Cambridge and Somerville events, there’s plenty of music (including new Sol Y Canto and Clem Snide) and theater (including the hip-hop musical “Come to Pass” and a production of “Eurydice”), and a return of the Evolution of Hip-Hop Festival, Floor Lords Breakdancing and MIT Swapfest, as well as bubbles and mini-horses.

In a look ahead at a week of Cambridge and Somerville events, there’s a Fresh Pond nature walk and Nature in the City Festival, “Cinema Strange” and free screenings of new Pixar classics, classes in augmented reality and a “Yart Sale” – a citywide yard sale for art.

In a look ahead at a week of Cambridge and Somerville events, there’s the four-day Nice music festival, two-day Cambridge Jazz Festival, dance, poetry, art in a museum (by day and night) and by bike, storytelling, movies and comedy.