Earth at the Crossroads: Understanding the Ecology of a Changing Planet

Join a prominent behavioral ecologist to explore the rich interconnections that make up the great and fascinating web of life on Earth.

• By This Professor
• 01: An Ecological Diagnosis of the Living Earth
• 02: Humanity and the Tragedy of the Commons
• 03: Ecology-Natural History to Holistic Science
• 04: Ecology as a System-Presses and Pulses
• 05: Climate and Habitat-Twin Ecological Crises
• 06: Human Society as Ecological Driver
• 07: Movement of Energy through Living Systems
• 08: Humans as Energy Consumers
• 09: Nutrient Cycling in Ecosystems
• 10: The Challenges of Waste and Disposal
• 11: The Water Cycle and Climate
• 12: Human Water Use and Climate Change
• 13: Rain and Heat-Forces That Shape Climate
• 14: The Ecology of Global Climate Change
• 15: How Living Organisms Acquire Food
• 16: The Ecological Consequences of Agriculture
• 17: Food, Energy Flows, Biomagnification
• 18: The Human Ecology of Biomagnification
• 19: The Ecological Community as a Living Mosaic
• 20: Wildlife Adaptation to Human Landscapes
• 21: Biodiversity, Disturbance, Invasive Species
• 22: Biodiversity Decline and Restoration Ecology
• 23: Microevolution and Biological Variation
• 24: Human Impacts on Ecological Space and Time
• 25: Population Growth and Its Natural Limits
• 26: The Human Shift to an Urban Lifestyle
• 27: The Ecology of Dispersal and Migration
• 28: Human Impacts on Animal Migration
• 29: Ecology and Economy of Sex and Reproduction
• 30: Cities and the Human Demographic Transition
• 31: Coevolution among Species
• 32: The Coevolution of Human Diseases
• 33: Strategies for Reversing Ecosystem Decline
• 34: Designing Spaces for Wildlife
• 35: Toward Sustainable Urban Ecosystems
• 36: Recovering Ecosystems-Hope for the Future