Resources

Rain Garden CAD Files Open Source Download

2020

Please utilize Delta’s open source CAD files for Green Infrastructure Designs used to reduce flooding, manage stormwater, expand access to greenspace, and achieve other quality of life indicators. Municipalities have provided their engineers and/or landscape designers with these CAD files to streamline the design and installation process–thus reducing costs and time.

Municipal Waste Procurement Tools

04/2020

From 2013 – 2015, Delta Institute conducted research on waste management practices in municipalities across Cook County to identify opportunities to maximize environmental and economic benefits. As part of this research, Delta collected and reviewed waste contracts from 128 municipalities, and these contracts revealed a wide variation in services, practices, and costs. Delta created these […]

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Organizations

Environmental Protection Network

March 25, 2026

The Environmental Protection Network harnesses the expertise of over 650 former EPA career staff and political appointees from across the country to serve as a trusted resource, answering calls for objective analysis, scientific rigor, and a vision for a transformed 21st century EPA.

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