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Unit 1: An overview to Environmental Science

Cow

Cows, Methane, and Climate Change

STEM Explained

How do beef and dairy cows contribute to climate change? Livestock agriculture is a source of methane, a powerful greenhouse gas.

Krysten Rutherford

Krysten Rutherford

Career Profiles

PhD Candidate, Oceanography

Krysten Rutherford is a PhD Candidate of Oceanography at Dalhousie University.
Dense tropical rainforest

Tropical Rainforest Biome

Backgrounders

Learn about the location, plants, animals, human impacts and conservation of tropical rainforest biome.

African savanna

Savanna Biome

Backgrounders

Learn about the location, plants, animals, human impacts and conservation of the savanna biome.

Sheridan Thompson sur une falaise rocheuse

Sheridan Thompson (she/her/they/them)

Career Profiles

Doctoral Candidate

Sheridan Thompson is a Doctoral Candidate at Memorial University of Newfoundland.
Variety of plant groups in Banff National Park, Alberta

Plant Taxonomy

Backgrounders

Learn about the categories, or phylum, of the plant kingdom with examples from each.

Leaf and the Sun

Plant Functions

Backgrounders

Learn about the important plant functions of photosynthesis, respiration and transpiration

A melting world-shaped glacier

What is Ocean Warming and Why Does It Matter?

STEM Explained

Oceans absorb the greatest amount of solar radiation on Earth. Ocean warming can lead to glaciers melting and ocean acidification.

What is the Greenhouse Effect?

What is the Greenhouse Effect?

Hands-on Activities

Explore the greenhouse effect and learn about the impacts it can have on the environment.

Solar panel project in Dakar, Senegal

What are Carbon Offsets?

STEM Explained

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

Hamilton, Ontario industrial area with Toronto skyline in the background

What are Greenhouse Gases?

Backgrounders

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

Biofuel concept

What are the Pros and Cons of Ethanol Biofuel?

STEM Explained

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

Ship in Arctic waters

Reaching the Arctic

STEM Explained

How will arctic ice melt from climate change affect exploration, scientific research and geopolitics?

Great tits eat from a bird feeder

Natural Selection in Your Backyard

STEM Explained

A study on bird feeders and beak sizes shows how an everyday human activity can affect the evolution of another species.

 A forest damaged by pine beetles

How Do Introduced Species Affect Ecosystems and the Economy?

STEM Explained

When a species ends up outside of its natural zone, the consequences on other species, ecosystems and human industries can be severe. Climate change and human activities can introduce species into new zones.