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
Career Profiles
PhD Candidate, Oceanography
Tropical Rainforest Biome
Backgrounders
Learn about the location, plants, animals, human impacts and conservation of tropical rainforest biome.
Savanna Biome
Backgrounders
Learn about the location, plants, animals, human impacts and conservation of the savanna biome.
Sheridan Thompson (she/her/they/them)
Career Profiles
Doctoral Candidate
Plant Taxonomy
Backgrounders
Learn about the categories, or phylum, of the plant kingdom with examples from each.
Plant Functions
Backgrounders
Learn about the important plant functions of photosynthesis, respiration and transpiration
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?
Hands-on Activities
Explore the greenhouse effect and learn about the impacts it can have on the environment.
What are Carbon Offsets?
STEM Explained
Can carbon offsets help you reduce your environmental footprint, practice sustainable living and fight climate change?
What are Greenhouse Gases?
Backgrounders
This backgrounder explains what greenhouse gases are and how they contribute to climate change.
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.
Reaching the Arctic
STEM Explained
How will arctic ice melt from climate change affect exploration, scientific research and geopolitics?
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.
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.