Environmental Science

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Environmental Science

Aims to understand, analyze, and solve environmental problems using scientific methods and ethical principles.

Fosters the environmental awareness, literacy, and citizenship among the people, which are essential for environmental action and advocacy.

Relevance Environmental Science

John Muir (early twentieth century)

A Naturalist and Writer that helped establish Yosemite National Park.

Founder of Sierra Club.

Considered as the "Father of the National Parks" for his advocacy for wilderness preservation.

Two. Aldo Leopold (nineteen forty-nine)

Wrote the "A Sand County Almanac" which introduced the "land ethic."

Land Ethic - A philosophy that argues that humans should view themselves as part of a community that includes the land, not separate from it.

Three. Rachel Carson (nineteen sixty-two)

Published the book "Silent Spring", that brought awareness to the dangers of pesticides, especially DDT.

dichloro-diphenyl-trichloroethane Her work is often credited with launching the modern environmental movement.

Four. Garrett Hardin (nineteen sixty-eight)

described the "Tragedy of the Commons", as an economic theory where individuals acting in their own interest deplete a shared resource, even when it's not in the long-term best interest.

Tragedy of the Commons

Learning Environmental Science

Focus concepts and

Key Concepts of Environmental Science

Two. Carrying Capacity

Three. Ecological Footprint

L two: Principles of Ecology

One point one. Ecological Levels of Organization

One point three. Ecological Interactions

One point five. Ecological Succession

Energy Flow in Ecosystem

Tropic Levels:

How Energy is Transferred from one tropic level to another

Ecological Interactions

Biogeochemical Cycles

One. Carbon Cycle

Key Processes

Two. Nitrogen Cycle

Key Processes

Three. Phosphorus Cycle

Key Processes

Four. Sulfur Cycle

Key Processes

Five. Water Cycle

Key Processes

Ecological Succession

Biome

Habitat

Three. Tropical Rainforest

Types of Tropical Rainforest:

Pine Forest

Mossy Forest

Four. Grassland

Five. Desert

Hot Deserts: High daytime temperatures, cold nights (e.g. Sahara Desert)

Aquatic Ecosystems

A Freshwater

Types of Aquatic Ecosystem

Two. Coral Reefs

Three. Mangrove Forest

Four. Seagrass Beds

Five. Freshwater Ecosystem

Three. Ecosystem Diversity

The Philippines: A Megadiverse Country

A Global Biodiversity Hotspots

Philippine Endemic Species

One. The Philippine Eagle

Why is biodiversity important?

Threats to Biodiversity

Human-Induced Threats to Biodiversity

Two. Overexploitation

Case Study: The Illegal Wildlife Trade

Case Study: Overfishing in the Coral Triangle

Case Study: Coral bleaching

Conservation Strategies: Multi-faceted Approach

Protected Areas

Two. Ex-Situ Conservation

Captive Breeding

Gene Banks and Seed Vaults

Three. Community-Based Conservation

Location: Yellowstone National Park, USA

Four. International Agreements

Conclusion: A Shared Responsibility

Overview

This document outlines the fundamentals of environmental science, discussing its significance in fostering environmental awareness and understanding human-environment interactions. It explores ecological principles, sustainability, and the impact of human activities on ecosystems.

Key Points

1Environmental science aims to analyze and solve environmental issues using scientific methods
2Key figures like John Muir and Rachel Carson have significantly influenced the modern environmental movement
3Sustainability involves meeting present needs without compromising the future
4Ecological interactions are essential for maintaining ecosystem balance
5Biogeochemical cycles are vital for nutrient movement in environments

Details

Authors: Ms. Judy Ann Inot De Vera
Category: Environmental Studies

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