Reissuance and Modification of Nationwide Permits

The U.S. Army Corps of Engineers (USACE) recently proposed to reissue its Nationwide Permits (NWPs), with modifications to the NWP general conditions and definitions, and adoption of several new NWPs. Those planning to undertake activities that will disturb wetlands or waterways are often required to obtain a Nationwide Permit from the USACE, depending on project… Read More

USEPA is Developing a National Recycling Strategy

The United States Environmental Protection Agency (EPA) recently released a draft National Recycling Strategy.  The strategy has been drafted to provide goals and a framework to identify recycling processes and drivers, as well as potential opportunities and challenges facing the recycling system in the United States. The draft strategy progresses the EPA’s 2019 National Framework… Read More

NYSDEC Releases Draft “Value of Carbon” Guidance Related to Greenhouse Gas Emissions

The New York State Department of Environmental Conservation (NYSDEC) has released a new draft “Value of Carbon” guidance which will be used to assist State entities with decision making by estimating the value of the greenhouse gas emissions reductions. Developed in accordance with the Climate Leadership and Community Protection Act (CLCPA) and in consultation with… Read More

Major Financial Boost for Microgrids Infrastructure in the Pipeline

Owing to their ability to provide decentralized power through various renewable energy sources (solar, wind, biogas), clean energy microgrids are increasingly being viewed as the solution for harnessing uninterrupted electricity, even in the face of extreme weather events. These weather events usually pose a challenge to electricity supply from the main electricity grid, leading to… Read More

Walden at the Forefront of Embracing Laser Scanning Technology on Projects

Walden Environmental Engineering continues to be a leader in supporting the research and development of new technology-based tools for engineering and construction professionals on their sites. Working with partner Harkin Aerial–a leader in drone data collection, mapping, GIS, and reality capture–the firms performed a live demonstration of laser scanning technology at the Town of Hempstead’s… Read More

Got Mold?

Molds are a type of fungus that grows both outside and indoors. Mold plays an important role in ecosystems by aiding in biodegradation and is abundant in our world. However, long term exposure to certain types of mold within homes and work places can induce allergic reactions and various other health effects for occupants. Immune-compromised… Read More