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Cook County was the first governmental agency in Illinois to pass an energy initiative, with an ordinance requiring all new construction to be LEED (Leadership in Energy & Environmental Design) certified by the US Green Building Council.  LEED is a point-based rating system developed by the US Green Building Council which allows the owner to select […]

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Cook County has begun a $44.2 million building improvement project through a guaranteed energy savings agreement with NORESCO. The guaranteed energy savings agreement allows Cook County to make large-scale energy efficiency upgrades without having to invest a significant amount of capital. Upgrades are paid for through the savings they generate, and NORESCO guarantees […]

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The Cook County Department of Environmental Control will participate in Northbrook’s Earth/Arbor Day event from 9:00 a.m. to noon Saturday, April 16 at the Northbrook Village Green, 1810 Walters Avenue in Northbrook.

The department will have information resources for residents, such as radon testing. The County will offer information on radon home testing and radon […]

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Join Cook County, Hanover Township, Elevate Energy and the Citizens Utility Board (CUB) to learn about new programs available to save you money and energy with your Smart Meter. Experts will also discuss home weatherization and energy efficiency programs and rebated and free in-home devices and appliances.

Sessions are being held on Monday, March 21st […]

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Join Cook County and hundreds of millions of people around the world by turning off your lights to commemorate Earth Hour on March 19th from 8:30 to 9:30 pm. Cook County’s Department of Facilities Management will save energy – and send a message about the role all of us can play in cutting harmful […]

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The Cook County Department of Environmental Control will present a free Lunch & Learn Series.


Bring your electric bill, enjoy light refreshments and learn about:

New programs to save money and energy with your Smart Meter Home weatherization and energy efficiency programs Rebates and freebies on in-home devices and appliances How to spot issues or mischarges […]

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January is Radon Awareness Month and the Cook County Department of Environmental Control reminds you to be aware of the health risks of radon.  Radon is a colorless, odorless and tasteless gas that comes from the radioactive decay of naturally occurring uranium in the soil. It can enter homes and buildings […]

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An ordinance approved by the Cook County Board will require businesses that store hazardous chemicals such as acids, solvents and other highly toxic chemicals to report the type and location of the chemicals and how they are stored.

The information collected will be kept by the Cook County Department of Homeland Security and Emergency Management […]

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Cook County is doing its part to help stem climate change.

The county is exceeding its target for reducing Greenhouse Gas Emissions from its buildings, the County’s 2015 Sustainability Report shows.

The County’s Greenhouse Gas Emissions have decreased by 11 percent since they were measured in 2010, an achievement that surpasses its target of […]

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Cook County’s award-winning Demolition Debris Diversion Ordinance was discussed by a group of architects, interior designers and reuse specialists on November 11.  Hosted by DIRTT Environmental Solutions, the panel featured Cook County’s Sustainability Officer Deborah Stone; DIRTT’s Calgary-based sustainability leader Andrée Iffrig;  Andrew Balster, an architect and executive director of nonprofit ARCHEWORKS, a Chicago-based, multidisciplinary, […]

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