Robyn Purchia

Researchers have identified the microscopic algae, Pseudo-nitzschi, which was responsible for the closure of California’s Dungeness crab season in 2015. (Courtesy C.J. Wingert, San Francisco State University)

A microscopic killer lives in SF’s waters

Researchers find ocean acidification threatens local fisheries

Researchers have identified the microscopic algae, Pseudo-nitzschi, which was responsible for the closure of California’s Dungeness crab season in 2015. (Courtesy C.J. Wingert, San Francisco State University)
The Hetch Hetchy Reservoir area of Yosemite National Park supplies San Francisco’s drinking water. 
Shutterstock

SF’s water supply could use leadership, not litigation

Solutions needed to keep taps and salmon running

The Hetch Hetchy Reservoir area of Yosemite National Park supplies San Francisco’s drinking water. 
Shutterstock
International Bird Rescue helped save Bay Area birds that were contaminated by mysterious goo in 2015. <ins>(Mike Koozmin/S.F. Examiner file photo)</ins>

International Bird Rescue marks 50 years of wildlife protection

Group established in wake of massive oil spill continues essential rehabilitation, research

International Bird Rescue helped save Bay Area birds that were contaminated by mysterious goo in 2015. <ins>(Mike Koozmin/S.F. Examiner file photo)</ins>
San Franciscans mourned the loss of a Monterey Cypress tree in the median along Geary Boulevard that was removed to accommodate a transit project.<ins> (Kevin N. Hume/S.F. Examiner)</ins>

Now is a good time to hug a city tree

Nature shouldn’t be regarded as something separate from humans

San Franciscans mourned the loss of a Monterey Cypress tree in the median along Geary Boulevard that was removed to accommodate a transit project.<ins> (Kevin N. Hume/S.F. Examiner)</ins>
Many garments purchased by Americans are mass produced by low-paid workers in factories in Asia. <ins>(Shutterstock)</ins>

Broken fashion industry needs mending

Your shirts, shoes can help advance environmental justice

Many garments purchased by Americans are mass produced by low-paid workers in factories in Asia. <ins>(Shutterstock)</ins>
Central City SRO Collective tenant leader Reggie Reed, left, and Eddie Ahn, executive director of Brightline Defense, were among those distributing environmental awareness posters throughout the Tenderloin, Mid-Market and South of Market neighborhoods. (Courtesy Central City SRO Collaborative)

Environmental dangers are connected to racism

Let’s attack problems with better policies, greater awareness

Central City SRO Collective tenant leader Reggie Reed, left, and Eddie Ahn, executive director of Brightline Defense, were among those distributing environmental awareness posters throughout the Tenderloin, Mid-Market and South of Market neighborhoods. (Courtesy Central City SRO Collaborative)
Some have raised objections to a plan to remove a Monterey cypress tree in the median on Geary Boulevard in Japantown. (Kevin N. Hume/S.F. Examiner)

SF needs plan to protect trees and one agency in charge

Transit planners want to remove a Monterey cypress on Geary against the public’s will

Some have raised objections to a plan to remove a Monterey cypress tree in the median on Geary Boulevard in Japantown. (Kevin N. Hume/S.F. Examiner)
San Francisco workers who are members of the International Federation of Professional and Technical Engineers are calling for The City’s retirement board system to stop investing in Chevron. <ins>(Shutterstock)</ins>

SF should step up efforts to divest from fossil fuels

Retirement fund continues to include big oil companies

San Francisco workers who are members of the International Federation of Professional and Technical Engineers are calling for The City’s retirement board system to stop investing in Chevron. <ins>(Shutterstock)</ins>
While health officials say COVID-19 isn’t spread through the use of bulk foods and reusable containers, there continues to be a reliance on wasteful disposables. (Shutterstock)

Bulk shopping is back, and that’s a good thing

Self-service is safe, but sustainability still elusive during pandemic

While health officials say COVID-19 isn’t spread through the use of bulk foods and reusable containers, there continues to be a reliance on wasteful disposables. (Shutterstock)
A drop in salmon in the Tuolumne River in 2020 is cause for concern.<ins> (Shutterstock)</ins>

Salmon dwindling while SFPUC fiddling

Decreasing numbers in Tuolumne demand science-based solutions

A drop in salmon in the Tuolumne River in 2020 is cause for concern.<ins> (Shutterstock)</ins>
Zero Grocery is among the Bay Area organizations delivering groceries in plastic-free packaging. (Screenshot)

Bye Trump, hello hope: SF can show US what’s possible

City’s climate efforts will shine under new administration

Zero Grocery is among the Bay Area organizations delivering groceries in plastic-free packaging. (Screenshot)
Residents of Treasure Island report serious health concerns that may be associated with the area’s toxic environment.<ins> (Kevin N. Hume/S.F. Examiner)</ins>

The safety of Treasure Island residents must be addressed

SF needs to step up to improve health of low-income dwellers

Residents of Treasure Island report serious health concerns that may be associated with the area’s toxic environment.<ins> (Kevin N. Hume/S.F. Examiner)</ins>
The Presidio Trust, which has restored natural areas in The City, is considering reintroducing the locally extinct California quail to the urban park.<ins> (Shutterstock)</ins>

Presidio may bring California quail back to San Francisco

Residents can create conditions that would allow charismatic bird to thrive

The Presidio Trust, which has restored natural areas in The City, is considering reintroducing the locally extinct California quail to the urban park.<ins> (Shutterstock)</ins>
Sea turtles and other marine wildlife, sadly, are eating plastic bottles. (Courtesy Rich Carey/Shutterstock)

As plastic pollution wreaks havoc, should SF think bigger?

Newly elected Supervisor Connie Chan is ready to take on plastic industry

Sea turtles and other marine wildlife, sadly, are eating plastic bottles. (Courtesy Rich Carey/Shutterstock)
Hetch Hetchy in Yosemite, which supplies water to San Francisco, is among the concerns of the San Francisco Public Utilities Commission, which is undergoing a change of leadership. <ins>(Courtesy SFPUC)</ins>

Changes in leadership at SFPUC spark concern, hope for future water policy

Will agency’s new commissioner continue to support Big Ag?

Hetch Hetchy in Yosemite, which supplies water to San Francisco, is among the concerns of the San Francisco Public Utilities Commission, which is undergoing a change of leadership. <ins>(Courtesy SFPUC)</ins>
Clockwise, from top left, Manny Yekutiel and candidates Jon Ossoff and Rev. Raphael Warnock appeared in a virtual event dedicated to electing green Democrats to Georgia’s seats in the U.S. Senate. (Screenshot)

A green Georgia on our minds

San Franciscans can mobilize to help elect Democrats Warnock, Ossoff to Senate

Clockwise, from top left, Manny Yekutiel and candidates Jon Ossoff and Rev. Raphael Warnock appeared in a virtual event dedicated to electing green Democrats to Georgia’s seats in the U.S. Senate. (Screenshot)
Tenderloin residents are finding benefits to having roads closed in the neighborhood. <ins>(Kevin N. Hume/S.F. Examiner)</ins>

Should there be fewer cars in the Tenderloin’s future?

The pandemic has opened San Franciscans’ eyes to new uses of urban streets

Tenderloin residents are finding benefits to having roads closed in the neighborhood. <ins>(Kevin N. Hume/S.F. Examiner)</ins>
Environmentalists are studying how the breakdown of a green mineral called olivine positively affects carbon dioxide levels in the atmosphere.<ins> (Shutterstock photo)</ins>

Let’s keep the climate restoration movement growing

Innovators’ and policymakers’ efforts to restore balance should be encouraged

Environmentalists are studying how the breakdown of a green mineral called olivine positively affects carbon dioxide levels in the atmosphere.<ins> (Shutterstock photo)</ins>
Many San Francisco residents – including parents whose kids are spending a lot of time in front of screens — are eagerly anticipating the reopening of The City’s playgrounds, including Helen Diller playground. (Samantha Laurey/Special to S.F Examiner)

Looking forward to the reopening of The City’s playgrounds

SF kids deserve the opportunity to get outside

Many San Francisco residents – including parents whose kids are spending a lot of time in front of screens — are eagerly anticipating the reopening of The City’s playgrounds, including Helen Diller playground. (Samantha Laurey/Special to S.F Examiner)
Harper Fortgang, a student at Proof School in San Francisco, is a member of the award-winning Team Super Plants, which is growing California native plants with “supercharged” roots that fight climate change. (Courtesy Michael Yetman)

Green Space: Middle-school students attack climate change with ‘Super Plants’

SF team wins Cousteau-sponsored challenge with biodiversity project

Harper Fortgang, a student at Proof School in San Francisco, is a member of the award-winning Team Super Plants, which is growing California native plants with “supercharged” roots that fight climate change. (Courtesy Michael Yetman)