Educational Institutions

Aytzim: Ecological Judaism

aka Jewcology

Long Beach, NY


Aytzim (meaning "trees" in Hebrew) is a New York-based secular, progressive and pluralistic Jewish environmental organization that is a U.S.-registered 501(c)(3) tax-deductible nonprofit charity, incorporated as the Green Zionist Alliance.

Aytzim has three projects:

Green Zionist Alliance: The Grassroots Campaign for a Sustainable Israel

The Green Zionist Alliance works to protect and educate about the environment of Israel and the Middle East.

Jewcology: Home of the Jewish Environmental Movement

With more than 1000 blog posts, pedagogical materials, a job board, and an interactive map of Jewish-environmental initiatives, is the largest online resource for information on Jewish environmentalism.

Shomrei Breishit: Rabbis and Cantors for the Earth

More than 100 Jewish clergy, including chief rabbis from around the world, have joined this environmental-advocacy group that Aytzim runs in partnership with GreenFaith.

Ruling Year



David Krantz

Main Address

PO Box 1176

Long Beach, NY 11561 USA


Environment, Israel, Green, Nature, Zionist, Zionism, Judaism, Sustainability, Environmental, Energy, GZA, Conservation, Trees, Grassroots,





Cause Area (NTEE Code)

Alliance/Advocacy Organizations (B01)

Alliance/Advocacy Organizations (C01)

Alliance/Advocacy Organizations (W01)

IRS Filing Requirement

This organization is required to file an IRS Form 990-N.

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Programs + Results

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Our programs

What are the organization's current programs, how do they measure success, and who do the programs serve?

SOURCE: Self-reported by organization

Environmental education

Green Zionist Alliance


Shomrei Breishit: Rabbis and Cantors for the Earth

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Charting Impact

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What have and haven't they accomplished so far?

Aytzim: Ecological Judaism aims to chart an environmentally sustainable future for Israel and the Jewish people.

* Participation in interfaith networks.
* Participation in Zionist networks.
* Participation in Jewish-environmental networks.
* Participation in secular-environmental networks.
* Public education, policy and advocacy.

* The world's English-language leader in educating about Israel's environment.
* The most engaged Jewish-environmental organization in interfaith work.
* The only environmental organization in the world to have a direct say in Israeli environmental policy.

* Participation in the World Zionist Congress.
* Engagement through the website.
* Engagement with Jewish clergy through Shomrei Breishit: Rabbis and Cantors for the Earth.
* Partnership in interfaith activities.

* 1.5 million trees planted in Israel.
* Hundreds of miles of bike trails built in Israel.
* Successful declaration of new nature preserves.

External Reviews


Aytzim: Ecological Judaism

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  • Forms 990 for 2008


The people, governance practices, and partners that make the organization tick.

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FREE: Gain immediate access to the following:

  • Address, phone, website and contact information
  • Forms 990 for 2008

Board Leadership Practices

GuideStar worked with BoardSource, the national leader in nonprofit board leadership and governance, to create this section, which enables organizations and donors to transparently share information about essential board leadership practices.

SOURCE: Self-reported by organization


Does the board conduct a formal orientation for new board members and require all board members to sign a written agreement regarding their roles, responsibilities, and expectations?

Not Applicable


Has the board conducted a formal, written assessment of the chief executive within the past year?

Not Applicable


Have the board and senior staff reviewed the conflict-of-interest policy and completed and signed disclosure statements in the past year?

Not Applicable


Does the board ensure an inclusive board member recruitment process that results in diversity of thought and leadership?

Not Applicable


Has the board conducted a formal, written self-assessment of its performance within the past three years?

Not Applicable