Environmental Science
Environmental Science - Related Videos
10:48
Aseptic Technique in Environmental Science
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2023
Source: Laboratories of Dr. Ian Pepper and Dr. Charles Gerba - The University of Arizona Demonstrating Author: Luisa Ikner Aseptic technique is a fundamental skill widely practiced in the field of environmental microbiology that requires a balance of mindfulness and practice in the laboratory. Proper use of this technique reduces the likelihood of bacterial or fungal contamination of reagents, culture media, and environmental samples. Aseptic technique is also vital to ensure data integrity and...
01:13
Psychology as a Science
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2024
Psychology, as a scientific discipline, aims to understand the mind and behavior through rigorous and systematic methods. The foundation of psychological research is evidence-based, relying heavily on the scientific method to derive and validate knowledge. This structured approach ensures that findings are reliable, valid, and applicable to broader contexts. The scientific method in psychology involves six critical steps: making observations, formulating hypotheses, conducting tests, analyzing...
09:46
Production and Measurement of Organic Particulate Matter in the Harvard Environmental Chamber
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Cited by 4 •
2018
This paper describes operation procedures for the Harvard Environmental Chamber (HEC) and related instrumentation for measuring gaseous and particle species. The environmental chamber is used to produce and study secondary organic species produced from the organic precursors, especially related to atmospheric organic particulate matter.
09:08
Developing a Salivary Antibody Multiplex Immunoassay to Measure Human Exposure to Environmental Pathogens
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Cited by 11 •
2016
In the current climate of scarce resources, new technologies are emerging that allow researchers to conduct studies cheaper, faster and with more precision. Here we describe the development of a bead-based salivary antibody multiplex immunoassay to measure human exposure to multiple environmental pathogens simultaneously.
09:17
Detection of Bacteriophages in Environmental Samples
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2023
Source: Laboratories of Dr. Ian Pepper and Dr. Charles Gerba - The University of Arizona Demonstrating Author: Alex Wassimi Viruses are a unique group of biological entities that infect both eukaryotic and prokaryotic organisms. They are obligate parasites that have no metabolic capacity, and in order to replicate, rely on host metabolism to produce viral parts that self-assemble inside host cells. Viruses are ultramicroscopic—too small to be viewed with the light microscope, visible only with...
FAQs
Environmental Science gains explanatory power by linking evidence from several disciplines rather than treating environmental problems as isolated events. Biology helps interpret living systems, chemistry characterizes substances and reactions, geology provides Earth-system context, physics examines energy and movement, and social science addresses human interactions. Their combination supports more complete assessments of environmental change and sustainability.
Nutrient cycling and energy flow provide complementary ways to analyze ecosystems. Cycling tracks how materials move through natural systems, while energy flow examines how energy passes through those systems. Studying both helps environmental scientists connect biological activity with broader ecosystem functioning, making these processes useful for evaluating ecosystem health and understanding how environmental changes may affect system behavior.
Pollution transport and climate dynamics require attention to movement and change across environmental systems. Environmental scientists can combine field observations, environmental samples, laboratory analysis, and computer modeling to examine where contaminants occur, how environmental conditions vary, and how interacting processes shape change. Using multiple approaches strengthens interpretation because no single source of evidence captures every relevant process.
A typical environmental investigation begins with field observation and environmental sampling, followed by laboratory analysis and, when appropriate, computer modeling. This sequence connects conditions observed in the environment with analyzed evidence and broader interpretation. The resulting assessment can support identification of contamination sources, evaluation of ecosystem health, or examination of environmental change, depending on the question being studied.
To assess ecosystem health, researchers examine evidence related to biological conditions, contamination, and changes in biodiversity. Environmental Science brings these concerns together so that an assessment can move beyond a single measurement and consider how natural systems and human activities interact. Such evaluations help identify environmental problems and provide a scientific basis for conservation and resource-management decisions.
Environmental Science informs practical decisions by translating observations and analyses into strategies for conservation, resource management, pollution control, and climate adaptation. Its value lies not only in describing environmental change but also in connecting evidence to choices that affect environmental quality and human well-being. This makes the field relevant wherever decisions must address both natural-system conditions and human needs.