Carbon Cycle

Resources

Introduction to Climate Change

Learn more about the causes and impacts of global climate change.

Chemistry Videos

Biofuels: An Alternative Energy Source

Biofuels are a renewable energy resource that can often substitute for fossil fuels. Why are biofuels promising, and why aren’t we using more of them?

Several longhouse and other stone structures on Pamiok Island, in Ungava Bay, Quebec

The Dating Habits of Archaeologists

Radiocarbon dating is a method of radiometric dating. Learn how archaeologists use carbon isotopes to find the age of organic materials at archaeological sites.

What are Carbon Offsets?

Can carbon offsets help you reduce your environmental footprint, practice sustainable living and fight climate change?

Vehicle Emissions Primer

This backgrounder describes how vehicle emissions work and how they affect air quality, including their contribution to smog.

Hamilton, Ontario industrial area with Toronto skyline in the background

What are Greenhouse Gases?

This backgrounder explains what greenhouse gases are and how they contribute to climate change.

What are the Pros and Cons of Ethanol Biofuel?

Biofuels like ethanol might help fight climate change. But they can contribute to food insecurity and greenhouse gases in ways that might surprise you.

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