ISC-Audubon

 
 
 

Broadcast Audubon

California Drought

The video production below is from our friends at Circle of Blue. In California, more than 1,200 miles of canals and pipelines move CA Droughttrillions of gallons of water to where it does not naturally flow -- from the mountains of the north to the city lights and farm fields of the south. Today, however, there is little water to move. The nation's most populous state and largest economy is mired in one of its worst droughts of the last 500 years.

The biggest immediate effect will be on farmworkers in the Central Valley, with many people put out of work in a region that is already deep in poverty. Built of steel and concrete and relying increasingly on unsustainable groundwater, California's gargantuan water-supply system is ill-prepared for 21st-century challenges. The state is struggling to ensure clean water for its most impoverished citizens, to revive an imperiled estuary, and to adapt to a warming globe. Polluted, convoluted, and depleted, California's water-supply system faces a historic test.

SustainAbility Newsletter Archive Article (random)

Fall Yard Cleanup

Fall CleanupCleaning up garden and flower beds in the fall is an effective way to control various insect pests. Many insects survive the winter buried in the soil (5-25 cm) or on its surface. Debris left on the soil surface will in fact help the insects to survive.

In winter, the temperature of the soil is higher than the air temperature. Various components in the soil buffer it against severe freezing temperatures. For this reason. insects are able to survive in the soil, protected from the winter cold. Debris left on the soil surface further protects the soil, thus making it more hospitable for overwintering insects and increasing their chances of survival. If you remove the debris, the soil will freeze to a greater depth and more insects will likely die during the winter.

When and How to Remove the Debris
The best time to remove the debris is in early October, after the insects have buried themselves in for the winter. You can remove the debris earlier or later, still with effective results in terms of controlling insects. When removing the debris, it is wise to till the garden and flower beds. Tilling will bring the insects up the soil surface, where they are more susceptible to killing temperatures.

Drenching the soil in the fall with an insecticide to control insect pests is not recommended. In order for an insecticide to be effective, the insect must be active. Insect larvae, pupae and adults overwintering in the soil are not active, and therefore pesticide control at this time of year is ineffective.

Garden Cleanup
Insects that overwinter on the soil surface under garden debris or buried in the soil include the beet leaf miner, cabbage maggot, Colorado potato beetle, flea beetle, imported cabbage worm, onion maggot and spinach carrion beetle. Incorporating organic matter in the fall is recommended, but it should be well tilled into the soil; if left on the soil surface, the organic matter will help protect insects over the winter.

Flower Beds and Shrubbery
In flower beds and shrubbery, a number of insects overwinter successfully under debris or in the soil near the base of ornamentals. Such insects include the currant fruit fly, imported currant worm, pear slugs, rose curculio and spring cankerworm. Removal of the leaf litter and a shallow tillage under ornamentals will help control many of these insects.


Fast Facts

  • The energy we save when we recycle one glass bottle is enough to light a traditional light bulb for four hours.
  • Recycled paper requires 64% less energy than making paper from virgin wood pulp, and can save many trees.

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References and Sources used in this issue of SustainAbility Newsletter Include:

Audubon International
www.auduboninternational.org

The International Sustainability Council
www.thesustainabilitycouncil.org

About.com
www.about.com

Pioneer Thinking
www.pioneerthinking.com

EarthCraft Homes
www.earthcrafthouse.com

The Natural Step
www.naturalstep.org

Animal Aid
www.animalaid.org.uk

Recipes For Sustainability
www.veganrecipes.org.uk

  

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A Coalition for Good - Spreading the Seeds of Sustainability

ISC-Audubon is a coalition of non-profit organizations and initiatives that include The International Sustainability Council (ISC), Audubon Lifestyles, Audubon Outdoors, Planit Green, Broadcast Audubon, and the Audubon Network for Sustainability. 

Funds generated through memberships and donations are used to provide fruit & vegetable seeds, wildflower seed mix, and wildlife feed & birdseed to urban and suburban communities around the world. These seeds are used by communities to establish fruit and vegetable gardens, bird and wildlife sanctuaries, and for the beautification of urban and suburban landscapes by creating flower and native plant gardens.

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