Why have drones increased in demand and usage in such a short timespan? The reasons are many, but in this guide, we’ll focus on a specific use case: How Walden Environmental Engineering and Harkin Aerial have developed ways to use drones to improve water quality, map water infrastructure, and detect/locate issues in drinking water and… Read More
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
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
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
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 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
New York City requires over 15,000 buildings larger than 25,000 square feet to submit an Energy Efficiency Report annually. The intent of this program, which is regulated under Local Law 84 of 2009 and Local Law 133 of 2016: Benchmarking, is to promote more efficient building operations and energy conservation. New York City’s Covered Building… Read More
What is the Toxics Release Inventory? Section 313 of the Emergency Planning and Community Right-to-Know Act (EPCRA) created the Toxics Release Inventory (TRI) Program. Under the requirements of EPCRA, all U.S. facilities that meet TRI reporting criteria must submit TRI data to EPA and the relevant state or tribe by July 1 of each year…. Read More
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
Mill Brook Preserve, Inc. (MBPI) is an organization specifically established to take care of the Mill Brook Preserve. The Mill Brook Preserve is a New Paltz (New York) community treasure that comprises 134 acres of land to be kept forever wild, located entirely in the Village of New Paltz but with portions owned by the… Read More