By Dr. Alon Tal. BEER SHEVA (May 22, 2009) — For almost a year now, the Israeli public has been the target of a highly effective public relations campaign by the country's Water Authority. Stark images of desiccated humans cracking like hardened desert soil, along with the more comely admonitions
By Benjamin Kahane. Nuclear energy isn’t quite a fossil fuel, since unlike coal, natural gas and petroleum, nuclear is not powered by fuel that developed over millennia from pressurized dead organisms — but nuclear isn’t renewable, either, since it uses a finite non-renewable fuel source. Nuclear power also presents many
By Benjamin Kahane. There are two major types of solar power technologies: photovoltaic and solar thermal. Photovoltaic solar power utilizes the photoelectric effect. A semiconductor material absorbs light and the photons in the light beam are routed through the semiconductor and harnessed in the form of direct-current electricity. The semiconductor
By Benjamin Kahane. For hundreds of years, humans have used wind to pump water and grind grain, mostly with small windmills. Large, modern wind turbines are used to generate electricity for individual use and to feed into the electric grid. Wind turbines generally have three blades and, because higher altitudes
By David Krantz. Maybe Kermit was wrong — maybe it actually is easy to be green. Or, at the very least, it is pretty easy to start being green. There are many projects that you can do that will not just green your home, but will keep the green in
Dear chevra, By April 30, 2014, more than 70 Rabbis and other Jewish spiritual leaders have signed this Call. Now we appeal to all members of the Jewish community to join in this effort. To do so, please click to: <https://theshalomcenter.org/civicrm/petition/sign?sid=11&reset=1> We — Rabbis, Cantors, and other Jewish spiritual leaders
Responding to a Dangerous Impasse on Climate Change Climate change resulting from the use of fossil fuels poses a well-documented, grave threat to humanity and the ecosystems that support life. But in the United States, a real national response to climate change has been stymied by political inaction, cultural inertia,
By Benjamin Kahane For hundreds of years, humans have used wind to pump water and grind grain, mostly with small windmills. Large, modern wind turbines are used to generate electricity for individual use and to feed into the electric grid. Wind turbines generally have three blades and, because higher altitudes
By Naomi Lipstein and Dr. Alon Tal The ability to harness energy has been essential to life since the start of humanity. This ability, of course, has come in many different forms and has gone through massive transformations over the centuries. In the 18th and 19th centuries, coal fired the
By Benjamin Kahane Nuclear energy isn’t quite a fossil fuel, since unlike coal, natural gas and petroleum, nuclear is not powered by fuel that developed over millennia from pressurized dead organisms — but nuclear isn’t renewable, either, since it uses a finite non-renewable fuel source. Nuclear power also presents many
New York – The Coalition on the Environment and Jewish Life welcomed President Obama’s affirmation of his commitment to renewable energy and reducing our nation’s contribution to climate change, announced in his State of the Union address on Tuesday. “We praise President Obama for proposing the Energy Security Trust and
Call To Action: A Pray-in For the Climate Dear Friends, We are facing a Climate Cliff, and we are calling upon religious and spiritual leaders, other believers and all people of good will to join us to address its danger by participating in “A Pray-in for the Climate” in front
A new report just released this week says the ice sheets are melting five times faster than in the 1990’s and occurring more rapidly than scientists believed in 2007 (http://science.time.com/2012/11/30/climate-change-polar-ice-sheets-melting-faster-raising-sea-levels/) . At the same time climate discussion occurring over the last week in Doha have been unfruitful and hope that
The Lawnmower by Rabbi Michael M. Cohen written for Vermont Public Radio October 2, 2012 But I can't feel smug about using my battery powered lawnmower, because I know I'm also polluting the earth. It takes roughly 10 cents of electricity to recharge the battery which helps to reduce my
Cross posted from Environmental Tip of the Week, http://environmentaltip.blogspot.ca/2012/10/teach-your-kids-about-being-green-at.html Teach your kids about being "green" at every opportunity! For example, recently I made a bus out of Legos for my daughter. She loaded it up with little toy people, animals, and food. While she was pushing it around on the
ANNOUNCING COEJL’S JEWISH ENERGY NETWORK! Webinar on Becoming a Jewish Energy Champion in Your Community Tuesday, October 16 at 2:30 pm est Reserve your Webinar seat now at: https://www3.gotomeeting.com/register/487930350 Learn about COEJL’s new Jewish Energy Network and how you can take action on renewable energy and energy efficiency in your
Hashem's "Gaslands"* by Judith Feldstein My Lord, You sent us not a burning bush, but Your flaming water; a fire that lives in gas and is not drowned in H2O, with flames that are not quenched, and danger not consumed until we hear and live your will and love Your
Tonight there is a great Midwestern thunderstorm in the sky. Lightning bolts are flashing, and the rain is pouring down. This has put me in a mood of wonderment at the awesome power of the Heavens, and has 'sparked' my curiosity regarding the relationship between electricity (lightning) and water (rain).
By Yinnon Shraga, NoCamels · While solar energy companies throughout the world are competing for the relatively few vast land areas required to house solar farms, Israeli startup Solaris Synergy has found a new terrain to use. Instead of a land-based solar system, the company decided to develop a water-based
The photovoltaic solar-panel array at Kibbutz Ketura is the first and currently only of its kind in Israel. (Photo by David Krantz) KIBBUTZ KETURA, Israel — During the first ever Passover we left Egypt and slavery, celebrating our freedom in the wilderness. It’s easy to forget that back then this
