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Strand B: Human Impact on the environment

bees on frame held by beekeeper

How are the World's Bee Populations Doing?

STEM Explained

Bees are important for agriculture. But bee populations face threats. This resource looks at Colony Collapse Disorder, herbicides & pesticides, and more.

Energy-saving light bulbs are a great way to save money at home

Energy Efficiency at Home

STEM Explained

If you understand heat transfer, you can make lots of little changes at home to help the environment and your household’s bank account!

Massive algal bloom

Eutrophication: Why you should care about pond scum

STEM Explained

When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!

A beaver looks up from the water. Image © Jillian Cooper, iStockPhoto.com

Canadian Invaders!

STEM Explained

Beavers are a Canadian symbol. But in South America, they’re considered an invasive species.

Katharine Scotton |  Experte-conseil en environnement, PGL Environmental Consultants

Katharine Scotton

Career Profiles

Environmental Consultant

Katharine Scotton is an Environmental Consultant for PGL Environmental Consultants.