Introduction to Waste Stream Management: Treatment Technologies and Pollution Sources
The approved EPA treatment technologies for solid, liquid and gaseous wastestreams can be categorized into four groups: physical, chemical, biological and thermal. Knowing which type of treatment to use and when to use it requires understanding the...
Series: Environmental Science
Subject: environmental
Transcript: diversion. [ narrator ] the use of mass balance studies to pinpoint... and analyze waste streams... is only the first step in environmental management. the
Natural Ecosystem Services and the Economy
Paul Ehrlich, best known for his work on population growth, talks about the critical links between Earth's natural ecosystems and what he calls the "human economy." If we did not have properly functioning natural ecosystems, Dr. Ehrlich argues, we w...
Series: Environmental Science
Subject: environmental science
Natural Ecosystem Services and Waste Disposal
Paul Ehrlich, best known for his work on population growth, observes that there's no way to truly "throw things away," because everything remains on this planet. According to Dr. Ehrlich, we must depend on natural systems functioning properly if we ...
Series: Environmental Science
Subject: environmental science
Biosphere II
Paul Ehrlich, best known for his work on population growth, talks about Biosphere II and efforts to use technology to substitute for natural ecosystems (which he says are the most important part of our environment).
Series: Environmental Science
Subject: environmental science
Transcript: destruction is the most important part Of our environmental problem, And they are utterly unknown, to politicians, most politicians, Most bureaucrats, even to
Environmental Solutions in the Future
Scientist and climate change expert Michael Oppenheimer talks about his vision of the future...a future in which electricity is produced by photo voltaic cells which don't yield any carbon dioxide, and hydrogen is combined with oxygen in fuel cells ...
Series: Environmental Science
Subject: environmental science
Environmental Impact of Humans Over the Past Century, The
inhabiting planet Earth, to dramatically and perhaps forever altering the environmental landscape of this planet.
Series: Environmental Science
Subject: environmental science
Introduction to Waste Stream Management: Overview and History of Pollution and Environmental Awareness
While pollution has always been part of the industrial process, environmental accountability is relatively new. The founding of the Environmental
Series: Environmental Science
Subject: environmental
Transcript: industrial process, environmental accountability is relatively new. early in the industrial era and into the mid-20th century, business owners, managers and
Introduction to Waste Stream Management: Liquid Waste
In the past, some of the major sources of water pollution have been landfills, underground storage tanks, and untreated effluent. Under the Clean Water Act, the EPA sets industry-specific discharge limitations for water pollutants. Treatment metho...
Series: Environmental Science
Subject: environmental
The Fabric of Health: Genetics and Health
DNA is a blueprint that determines our physical make up and influences the way we think and feel The transmittal of genes from parent to child occurs with very few "mistakes." Your DNA is 99.9% the same as your friend's, and 99% the same as a chimpa...
Disappearing Species and the Endocrine System
Zoologist and World Wildlife Fund senior scientist Theo Colborn talks about the impact of environmental toxins on the endocrine systems of exposed
Series: Environmental Science
Subject: environmental science