Tag: pollution

Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.

The Very Last Straw

The Very Last Straw

Many cities and some states have banned single-use plastic shopping bags. The next item on the list? It could be the plastic drinking straw.

Cities and states that have banned plastic bags have done so for several reasons—they’re not biodegradable; they contribute to landfill waste—but one of the most-cited has been

Regulating Animal Feeding Operations: A New Attempt

Regulating Animal Feeding Operations: A New Attempt

They say optimism is seeing the glass half full. They also say one definition of insanity is doing the same thing over and over and expecting a different result. You can decide for yourself whether 35 of the country’s environmental groups are optimistic or crazy, but they’re trying something that

Trump Navigates Ambiguous Waters

Trump Navigates Ambiguous Waters

What exactly does “navigable” mean? Vague definitions of which bodies of water are protected by federal agencies have confounded policy makers for decades. In 1972, the Clean Water Act gave federal authorities the power to regulate pollution in “navigable waters.” The job of determining which of those waters the policy

An Approach for Communities to Assess Stormwater Application and Detention Requirements for Overall Watershed Health

An Approach for Communities to Assess Stormwater Application and Detention Requirements for Overall Watershed Health

Communities, especially those with limited resources, face many issues when trying to protect their local watersheds through the use of stormwater policies. Stormwater policies that are imposed on new development have the ability to enhance a community’s overall watershed health (Ferguson 1998). However, past requirements often relate only to large

Tiny, Long-Distance Travelers

Tiny, Long-Distance Travelers

We’ve written in Erosion Control magazine for years about the problem of airborne dust, and even the ways in which distant events—a sandstorm in the Sahara Desert, say—can deposit sediment particles thousands of miles away. A new study shows that the long-distance air-quality problem might be more widespread than previously

Vacuum Excavators: Preventing Damage

Vacuum Excavators: Preventing Damage

For Jason Proctor, product manager for vacuum excavation for Ditch Witch, contractors who invest in vacuum excavators are buying a sort of insurance policy, one that could even save their businesses. His point is well taken. Vacuum excavators increase the odds that construction crews won’t accidently cut into gas, water, or

Getting the Most Dozer for Your Dollar

Getting the Most Dozer for Your Dollar

Obviously, the basic key to getting the most from your dozer investment is to keep it busy. That depends on projects being available and on your estimators’ ability to bid work successfully. But upstream from the work site, an equipment dealer and manufacturer have also put in many hours to

Security That Can Happen in a Vacuum

Security That Can Happen in a Vacuum

For Jason Proctor, product manager for vacuum excavation for Ditch Witch, contractors who invest in vacuum excavators are buying a sort of insurance policy, one that could even save their businesses. His point is well taken. Vacuum excavators increase the odds that construction crews won’t accidently cut into gas, water, or

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