Greenhouse Gas - an overview

Threat of climate change explained

UNIT 4:. Lesson 1 – Greenhouse Effect  Introduction to climate and climate change  Greenhouse Effect. - ppt download

Overview of Greenhouse Gases, Greenhouse Gas (GHG) Emissions

Sources of Greenhouse Gas Emissions, Greenhouse Gas (GHG) Emissions

Greenhouse gasses - Captain John Smith Chesapeake National Historic Trail (U.S. National Park Service)

Greenhouse gas emissions in agriculture - ProTerra Foundation