Category Archives: Environment

Tree-Thoughts at 125 Years

Someone sent us this charming, incisive, bitter-sweet graphic about a eucalyptus tree. This tree, such an important part of the ecosystem – a shelter for birds, a splendid carbon sink, a catcher of fog – ponders its purpose in life. … Continue reading

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Sutro Forest Destruction – March 2022

As readers of this site will know, a lot of trees are being felled in the portion of the forest closest to the hospital. One forest-lover wrote to us about it. That part is HERE. A few days later, they … Continue reading

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Why Urban Forests Can’t be “Native”

This article is republished with permission and minor edits from Conservation Sense and Nonsense, an environmental blog that considers current ecological topics including “native plant restorations.” We are publishing it here because we think the opposition to eucalyptus by nativist … Continue reading

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Wildcare’s Request: Respect the Nest

Recently, Wildcare – a wild animal rehab organization – published a warning. It’s nesting season and they ask everyone to RESPECT the NEST. It’s republished here with permission. Respect the Nest by Michael Schwab With the help of nationally-acclaimed artist … Continue reading

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Trees on Clarendon Avenue Felled

Sutro Forest extended along Christopher to Clarendon Avenue. The section at Christopher and Clarendon was decimated for the rebuilding of the pump station in 2009, possibly poisoned in 2013… and in 2019, it’s been clear-cut. It’s gone. THE FOREST BEFORE … Continue reading

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Season’s Greetings, and Good Wishes for 2020

When we started this website back in 2009, we had no idea that we would still be running it in 2020! But so it seems, and the battle continues though it is an uphill one. The forest has already been … Continue reading

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Dead trees: the life of the forest

UCSF is undertaking an assault on Sutro Forest, starting with trees it classifies as “dead or dying.” We question whether the so-called “dying” trees are actually dying, or merely in a defensive mode against four dry years, from which they … Continue reading

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Blackberry Provides Valuable Habitat

From time to time, over the years, we have written about the value of blackberry as habitat, and as part of this wonderful forest.  (See: Sutro Forest Ecosystem and Wildlife Habitat.) Recently, wildlife photographer and observer Janet Kessler published this … Continue reading

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UCSF to Start Cutting Trees in Fall 2018 – “Final EIR” Published

UCSF has issued its proposed Final Environmental Impact Report. (You can read it here as a PDF. It’s more than 2000 pages. Mount Sutro Vegetation Management Plan 2018 Final EIR_Full Document They expect to have it certified by the Board of … Continue reading

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Season’s Greetings!

It’s the holiday season again, and we’d like to wish all our readers and supporters all the best, for this season and for the year ahead. We’d like to celebrate with this quiet painting by artist Brian Stewart, showing bees … Continue reading

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Lest We Forget (2): Sutro Forest 2007

This website was set up only in 2009, and except for a few pictures of San Francisco in the old days, most of our photographs come from June 2009 or later. Hiker Tony Holiday (who blogs at Stairways are Heaven) … Continue reading

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Lest We Forget: Sutro Forest – 2004, 2005, 2006

This website was set up only in 2009, and except for a few pictures of San Francisco in the old days, most of our photographs come from June 2009 or later.  Hiker Tony Holiday (who blogs at Stairways are Heaven) … Continue reading

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“Hazardous Tree Work” – Cutting Down Trees on Mount Sutro This Winter

Well, the nesting season is over – and the cutting is starting. On Nov 9, 2017  we received a notice from UCSF that they are starting “hazardous tree work” on Monday November 13. 2017.  They plan on cutting down 50 … Continue reading

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Barn Owl in Sutro Forest

Evening visitors to the Sutro Forest have long known that Great Horned Owls live or visit there.  They’re specially easy to hear, with soft resonant hoots. Last night, it was a Barn Owl, which is less easy to see. This … Continue reading

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Monarch Butterfly at Twin Peaks – Oct 2017

A few days ago, a viewer watching the planes rehearse for Fleet Week spotted a different kind of aerial phenomenon: Monarch butterflies, fluttering around over Twin Peaks. “I was driving by Twin Peaks,” they wrote, “and paused to watch the … Continue reading

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Year 9 of Mission Blue Butterfly on Twin Peaks: Mixed Results

It’s now Year 9 of the the Mission Blue butterfly project on Twin Peaks, San Francisco. In 2008, SF Recreation and Parks Department (SFRPD) started trying an attempt to reintroduce the Mission Blue Butterfly to Twin Peaks, by planting lupine and transferring … Continue reading

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Butterfly Count in San Francisco – 2017

This year’s sunny butterfly count day – June 18th, 2017 – made up for last year’s dismal fog. Eighteen spotters in eight groups, led by butterfly maven Liam O’Brien, counted a record number of butterflies: 1435 or 1440, (we’re still … Continue reading

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Ecological Novelty is Nature’s Future

This thoughtful article and guest post by Professor Mark Davis was first published in Death of a Million Trees (which fights unnecessary tree destruction in the San Francisco Bay Area), and subsequently on the website of the San Francisco Forest … Continue reading

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April Visit to Beautiful Sutro Forest

“I would love to see Sutro forest,” said the out-of-town visitor. “I’ve heard so much about it!” So when the welcome rain cleared into welcome sunshine, we headed up the new trail at the Pumphouse on Christopher Drive. It doesn’t provide the … Continue reading

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Native Plant Restoration: “Someone Pays and Someone Profits”

The article below was first published on April 1st on MillionTrees.me – a site fighting unnecessary tree destruction in the San Francisco Bay Area. Though it references mainly the widespread tree destruction planned for the East Bay, the same principles apply broadly. … Continue reading

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The Forest at the City’s Heart – Sutro Cloud Forest

[This article was published recently on the website of the San Francisco Forest Alliance, and is reprinted here with permission. Thousands of trees are being cut down in San Francisco. Sutro Forest may actually be the worst, with many thousands … Continue reading

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Forest- Bathing in Mount Sutro Cloud Forest

We learned about the Forest-Bathing Club in San Francisco when some of the people who took part in this told us how much they loved the beautiful forest on Mount Sutro. Trees have been shown to improve health and well-being, … Continue reading

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Mt Sutro Forest: Nibbling at the Western Edge with Kirkham Heights Project? [UPDATE: Project Withdrawn]

[Edited to Add: UPDATE – The project is off. The owner, Westlake, thinks its a low priority especially since the site is situated on a hillside that’s in an “earthquake-induced landslide zones,” meaning areas with a high probability of slope failure.” It … Continue reading

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How Many Trees in Sutro Forest? And What Will be Left?

Mount Sutro is a very difficult site. Its soils are shallow, its rocks unstable. It’s very windy. Few trees survive those conditions. Nevertheless, the eucalyptus forest has naturalized there for over a century – nearly 125 years now – and … Continue reading

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Mt Sutro: UCSF’s Initial Study for the EIR Highlights Appalling New 2017 Plan

UCSF has published its initial study for the Environmental Impact Report (EIR) on the new 2017 Plan for Sutro Forest.  This “Notice of Preparation and Initial Study” outlines the areas the EIR will cover. Comments on the Initial Study can be sent … Continue reading

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Old Trees Trap More Carbon and Fight Climate Change

The older a tree grows, the more carbon dioxide it grabs out of the air and sequesters, thus fighting climate change. Cutting down these large old trees releases this carbon back into the atmosphere. An article published in the Nature … Continue reading

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Why “Thinning” Damages a Forest

This article is republished with permission (and minor format changes) from Death of a Million Trees, a blog dedicated to fighting unnecessary tree-felling in the San Francisco Bay Area. It beautifully reflects the interlinked reality of Sutro Forest, which has … Continue reading

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“Are Eucalyptus Trees Going to Kill Us All?” Jan 27, 2017, San Rafael, CA

If you’re interested in a spirited discussion about eucalyptus, there’s going to be an interesting event in San Rafael with TreeSpirit founder Jack Gescheidt. CLICK TO ENLARGE Are Eucalyptus Trees Going To Kill Us All?! So shouldn’t we kill them … Continue reading

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4th Sutro Forest TAC Meeting: Nativist Coup

When UCSF surprisingly announced there would be a 4th Technical Advisory Committee (TAC) meeting after the original three, we suspected adverse changes to the Draft Plan.  That meeting was held this evening, and we were right to be concerned. Significant changes … Continue reading

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Crucial Meeting for San Francisco Trees – Dec 15, 2016 – TOMORROW

[EDITED TO ADD (DEC 15, 2016): UNFORTUNATELY, THE PLAN WAS APPROVED DESPITE CONSIDERABLE OPPOSITION.] The San Francisco Recreation and Parks Department has been pushing a Management Plan that will cut down 18,400 trees in San Francisco and Pacifica; close 9 … Continue reading

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