Module 1: Embracing Environmental Science
What is Environmental Science?
- It is a science revealing the relationship between human activities and the environment.
- It explores the effects of environmental changes on human survival and the laws of environmental evolution.
- It researches the technical and management measures to comprehensively prevent and control regional environmental pollution.
What are the Three Environmental Processes?
- Physical Processes
* Processes shaping and influencing Earth’s physical features, creating constant change
* Examples: Tectonic Plate Movement, Wind and Water Erosion - Biological Processes
* Processes sustaining balance in ecosystems and are vital for organisms to function
* Examples: Photosynthesis and Hybridization of Plants, Stimuli Response, Transpiration, Reproduction - Chemical Processes
* Processes producing or converting new chemical substances essential to humans and the environment
* Examples: Digestion, Combustion, Osmosis, Phase Changes, Plastic Decomposition, Oil Spills, Acid Rain, Global Warming
What Topics Make Environmental Science Interdisciplinary?
- Species Restoration
* What should be the reason behind efforts for the restoration of a species’ population?
* What would be our benefits if certain species will be saved from extinction? - Resource Management
* The sustainable utilization of major natural resources (land, water, air, minerals, forests, fisheries, and wild flora and fauna).
* Resources → Ecosystem Services
* Provisioning Services
* Direct Products of an Ecosystem
* Examples: Food, Water, Oxygen
* Regulating Services
* Processes Regulating Natural Systems
* Examples: Aquifers and Wells, Pollination, Photosynthesis
* Cultural Services
* Non-Material Benefits Contributing to the Development and Cultural Advancement of Peoples
* Example: Aesthetic Inspiration, Cultural Identity, Recreation, Spiritual Experience
* Supporting Services
* Life-supporting Processes
* Example: Photosynthesis, Water Cycle - Environmental Laws
* How many environmental laws are there in the Philippines?
* Are environmental laws properly enforced? Do they have any flawed provisions? - Sustainability
* Environment
* Economy
* (Social) Equity
What are the Important Steps of the Scientific Method?
- Observation
* Asking Question(s)
* Can be observed by any of the five senses (sight, sound, smell, touch, taste) - Research (using reliable sources in learning background information)
- Hypothesis
* Predicting what will occur in an experiment
* “If…then…” - Experiment and Data Collection
* Types of Data
* Qualitative Data (Descriptions)
* Quantitative Data (Numbers)
* Types of Variables
* Independent Variable (changeable)
* Dependent Variable (measurable)
* Types of Experiment Groups
* Experimental Group (one independent variable altered)
* Control Group (all other groups are compared to this) - Data Analysis
- Draw Conclusions
- Share Results
What are the Characteristics of Pseudoscience?
- What is Psychobabble?
* These are words sounding scientific but are used incorrectly or misleadingly
* Example: “biofeedback, meridian lines, quantum energies” justifying “Energy Therapies” - What is Anecdotal Evidence?
* Unverifiable evidence based on personal experiences and events
* Pseudoscience heavily relies on anecdotal evidence
* Example: Product Reviews - Pseudoscience often uses extraordinary claims without extraordinary evidence supporting the claims
* Example: Product X eliminates all pain without any scientific basis - Pseudoscientific claims are often unfalsifiable, being incapable of being refuted in principle
* Example: Traditional Chinese Medicine and Qi are concepts incapable of being scientifically measured or tested - Pseudoscience is often absent of important scientific research principles:
* Connectivity to Other Research
* Connectivity → the extent to which assertions build on existing knowledge
* Example: “Dilution strengthens potency, water has memory”
* Adequate Peer Review
* Self-Correction
* Example: Astrology