---
title: Ecology & Environment
description: Ecology studies the interactions between organisms and their physical environments. Learners will understand energy flow through ecosystems, population dynamics, biodiversity patterns, and how human activities impact natural habitats, biogeochemical cycles, and global climate systems.
category: sciences
subcategory: biology
difficulty: beginner, intermediate, advanced
url: /subject/ecology-and-environment
---

# Ecology & Environment

Ecology studies the interactions between organisms and their physical environments. Learners will understand energy flow through ecosystems, population dynamics, biodiversity patterns, and how human activities impact natural habitats, biogeochemical cycles, and global climate systems.

## Available Resources

2 Books • 1 Courses • 3 Websites

## Courses

### 1. Introduction to Ecology

Learn ecology basics: populations, communities, ecosystems, and the environment. Free course by Khan Academy Team!

**Difficulty:** Beginner | **Price:** Free

**Link:** https://www.khanacademy.org/science/biology/ecology

**Tags:** ecology, biology, ecosystems, population-dynamics, video-lessons

## Podcasts

### 1. The Ecologist

**Author:** Penny Green

From the creator of the Knepp Wildland Podcast, join me, Penny Green, on some wildlife adventures where I will be celebrating positive nature conservation news...one story, one friendship, one wild place at a time.

**Difficulty:** Beginner | **Language:** en-gb | **Price:** Free

**Link:** https://thewanderingecologistpodcast.buzzsprout.com

**Tags:** ecology, conservation, wildlife, podcast, rewilding

## Websites

### 1. esa.org

ESA.org is the official site of the Ecological Society of America, a nonprofit scientific society advancing ecology through research, education, and policy. It features news, educational resources, access to ESA journals and publications, student and educator guides, career resources, conferences, and policy information.

**Difficulty:** Intermediate | **Language:** English | **Price:** Free

**Link:** https://esa.org

**Tags:** websites, science-research, biology

### 2. The IUCN Red List of Threatened Species

The IUCN's global database of species extinction risk, compiled from expert assessments. Species pages give taxonomy, range, population trends, threats and conservation actions, with search and data downloads. Users can look up a species' threat category and understand the evidence behind it.

**Difficulty:** Intermediate | **Language:** English | **Price:** Free

**Link:** https://iucnredlist.org

**Tags:** conservation-status, endangered-species, extinction-risk, biodiversity, species-assessment

### 3. nature.org

Nature.org is The Nature Conservancy’s official site, presenting science-backed conservation projects, research, and practical guidance for protecting lands and waters worldwide. Browse information on endangered species, climate solutions, and ways to donate or get involved.

**Difficulty:** Intermediate | **Language:** English | **Price:** Free

**Link:** https://nature.org

**Tags:** websites, science-research, biology

## Books

### 1. Ecology: Concepts and Applications

**Author:** Manuel C. Molles Jr.

A standard one-semester undergraduate ecology textbook, moving from individual adaptations through populations, communities and ecosystems to global patterns. Emphasises empirical case studies over theory, so readers finish able to read primary ecological literature and interpret field data.

**Difficulty:** Intermediate | **Language:** English | **Price:** Paid

**Link:** https://www.amazon.com/dp/1259421635?tag=edmonddante07-20

**Tags:** books, science-research, biology

### 2. Silent Spring

**Author:** Rachel Carson

Carson's 1962 account of how synthetic pesticides, especially DDT, accumulate through food chains and damage bird and insect populations. Readers come away understanding the ecological reasoning and public argument that launched modern environmental regulation.

**Difficulty:** Intermediate | **Language:** English | **Price:** Paid

**Link:** https://www.amazon.com/dp/0395683297?tag=edmonddante07-20

**Tags:** books, science-research, biology

---

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