Category Archives: “Natural” Areas Program

Pesticides on Mt Davidson

Observers have pointed out that Mt Davidson is one of the worst places in the city to spray with toxic herbicides. But despite that,  the Natural Resources Department (NRD – formerly Natural Areas Program, NAP) sprayed toxic herbicides 15 times … Continue reading

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Roundup: Probably Carcinogenic, and What Else?

It’s now widely known that Roundup has been found to be a probable carcinogen by the World Health Organization. (We wrote about that here: WHO – Roundup Probably Carcinogenic). This is particularly disturbing, because it’s a very widely-used pesticide and … Continue reading

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San Francisco “Natural Resources” Herbicide Usage Up 57% in 2017

We have recently analyzed the data for herbicide use in the full year 2017 for San Francisco’s so-called “Natural Resources Department” (NRD – formerly Natural Areas Program). It’s up 57% from the previous year. NRD is a department of San … Continue reading

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Two Myths of Nativism: Mutually Exclusive Relationships, and Eucalyptus Allelopathy

We re-publish with permission (and added emphasis) an article from  MillionTrees.me, a website that fights the unnecessary felling of trees in the Bay Area. The article, a report from someone who attended the February 2018 meeting of the California Native … Continue reading

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The Myth that Nothing Grows Under Eucalyptus

Eucalyptus haters are fond of saying “Nothing grows under eucalyptus.” This refers to “allelopathy” of eucalyptus trees – a defense mechanism in some plants that uses chemical means to prevent other plants growing in the same area. This is empirically … Continue reading

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Mt Davidson: Tree Destruction Imminent?

There’s a lot of activity at the Juanita entrance of Mt Davidson, and neighbors fear the San Francisco Recreation and Parks Department (SFRPD) is rushing through its tree-felling program. At a time when we need trees more than ever to … Continue reading

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Season’s Greetings!

With this holiday season rolling around again, we’re pausing to realize that the San Francisco Forest Alliance is six years old! Our first post – about pesticide use on Twin Peaks – was on Dec 19, 2011. It’s been six … Continue reading

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Pesticide Use in San Francisco Natural Areas Creeping Up Again – Oct 2017

We’ve received the pesticide usage reports for the first ten months of 2017, and we’re concerned. After reducing herbicide usage in the last four years, it’s creeping up again in the natural areas. The Natural Areas (now called the Natural … Continue reading

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Register for Town Hall Meeting about Montara’s Chainsawed Trees

We posted a few days ago about the planned meeting regarding the chainsawed trees of Rancho Corral de Tierra at Montara. Here are the details of the public notice, and a link to RSVP.   “Rancho Corral de Tierra Public … Continue reading

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Lessons From the Terrible North Bay Wildfires of 2017

This careful analysis of the terrible wildfires in the San Francisco Bay Area is republished with permission from MillionTrees, a website that fights to prevent unnecessary tree removal in the Bay Area.   Lessons learned from fires in the North … Continue reading

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Pesticides in our Parks – Bernal Hill

The Natural Areas program (now called the Natural Resources Department) regularly uses herbicides in many of our parks. We’ve published pictures before of Glen Canyon and Mt Davidson. This time, it’s Bernal Hill. This hill apparently needs herbicides. So they’re … Continue reading

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National Park Service Trees Meet Chainsaws in Montara

The National Park Service is cutting down trees in Montara, south of San Francisco. San Francisco Forest Alliance opposes this action. We’re disappointed. In this era of global warming, every tree counts. Instead of destroying trees, they should be planting them. … Continue reading

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SF Forest Alliance: Problems in the Sutro Forest DEIR – Part II

On September 22, 2017,  the Aqua Terra Aeris Law Group, on behalf of its client, San Francisco Forest Alliance, submitted the following comments and questions to the University of California, San Francisco (“UCSF”) regarding the Draft Environmental Impact Report (“DEIR”) … Continue reading

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SF Forest Alliance: Problems in the Sutro Forest DEIR – Part I

On September 22, 2017,  the Aqua Terra Aeris Law Group, on behalf of its client, San Francisco Forest Alliance, submitted the following comments and questions to the University of California, San Francisco (“UCSF”) regarding the Draft Environmental Impact Report (“DEIR”) … Continue reading

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Cutting Down Forests Releases Green House Gases

Eucalyptus forests are exceptionally good at sequestering carbon: They’re big and fast-growing, with dense wood and long lives. The forests store even more carbon in the soil, much of it in the top three feet. This is true of Sutro … Continue reading

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Coyote, Playing!

Sometimes, we want to bring our readers some of the joys of our parks, not just the threats to them. Besides being our green spaces and forests, they are the habitat for all kinds of wildlife. Watch this happy coyote … Continue reading

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Trees Cut Down in McLaren Park with No Warning

One of our readers has this news about trees being cut down in McLaren Park. The destruction has just begun. We’ve published letters in defense of McLaren’s trees before. See Trees Matter: McLaren Park and Environmental Justice. . — xxx— … Continue reading

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Pesticides on Blackberry in Fruiting Season

Recently, one of our neighbors was walking on Mt Davidson. It’s the time of the year when the blackberry bushes bear fruit, to the delight of children and the public in general (and not a few animals and birds). She … Continue reading

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Restricting Access in McLaren Park

Plans are afoot in McLaren Park to close many of the trails people actually enjoy, and substitute a limited number of broad road-type paths. Most park users don’t realize this is going on – not just in McLaren, but all … Continue reading

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Tree at 826 Haight May Be Saved

In a little bit of good news, we recently received this letter from a supporters, telling of a possibly successful attempt to save a street tree on Haight Street, San Francisco CA. It’s published with permission. Hi Folks, Another partial … Continue reading

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