Global Climate Change

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Presentation transcript:

Global Climate Change

Overview Introduction to Climate Change Causes of Global Climate Change Debate over Global Climate Change Effects of Climate Change Melting Ice and Rising Sea Level Changes in Precipitation Patterns Effects on Organisms Effects on Human Health Effects on Agriculture Addressing with Global Climate Change

Terminology Greenhouse Gas Positive and Negative Feedback - Homeostasis Infrared Radiation Greenhouse Effect

Evidence for Climate Change - Temperatures

Evidence for Climate Change - Phenologic

Effect on Organisms – Hardiness Zones © 2012 John Wiley & Sons, Inc. All rights reserved.

Wildfire in California

Hypothesis and Model Development

Greenhouse Gases © 2012 John Wiley & Sons, Inc. All rights reserved.

Factors Associated with Climate Change

Radiative Forcing

Pollutants That Cool the Atmosphere Atmospheric Aerosols Both human and natural sources Tiny particles (or sulfur) that remain in troposphere for weeks or months Sulfur-laden layer in the atmosphere reduces the amount of sunlight reaching earth Complicates models of climate change © 2012 John Wiley & Sons, Inc. All rights reserved.

Actions Adaptation v. Mitigation Sea Level Rise

Changing Patterns of Precipitation

Ecological Effects

krill

Mitigation Reducing Emissions Sequestration Geoengineering

Ocean Acidification

International Agreements

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