![What is the Greenhouse Effect?](/sites/default/files/2019-08/what-is-the-greenhouse-effect.jpg)
What is the Greenhouse Effect?
Hands-on Activities
Explore the greenhouse effect and learn about the impacts it can have on the environment.
![Aerial of Gas well Marcellus Shale Formation in northern West Virginia](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Aerial-of_gas_well.jpg?itok=tjnKvzRe)
What is Fracking?
STEM Explained
The fracking process gets natural gases out of rocks. This process can have effects on freshwater, water quality and even earthquakes!
![Cumulus Clouds Cumulus Clouds](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1429189096272-e07dc6aff539.jpg?itok=jW0jC1hP)
Weather: Cumulus Clouds
Picture Collections
5 images of cumulus clouds that are white, puffy clouds with a flat base at mid level and are often associated with fair weather
![Fluffy Snow On Deciduous Tree Fluffy snow on deciduous tree](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1448561779273-0ab17ed52a14.jpg?itok=rv3HZf3W)
Weather: Snow
Picture Collections
10 images of some snowflake crystals and some winter scenes with snow
![Stratus Clouds Stratus Clouds](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1440429801299-1edd4345fe51.jpg?itok=rJWRpe9j)
Weather: Stratus Clouds
Picture Collections
5 images of stratus clouds that cover a wide horizontal layer in the sky at low level and are often associated with rain or drizzle
![Solar panel project in Dakar, Senegal](/sites/default/files/styles/resource_card_image_360x300_/public/2019-11/Solar_project_Dakar%2CSenegal.jpg?itok=q64WAuqV)
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](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/the-hamilton-industrial-area-with-toronto-skyline.jpg?itok=shKtb5Tb)
What are Greenhouse Gases?
Backgrounders
This backgrounder explains what greenhouse gases are and how they contribute to climate change.
![What are the best materials to use for cleaning water?](/sites/default/files/2019-08/what-are-the-best-materials-to-use-for-cleaning-water.jpg)
What are the best materials to use for cleaning water?
Hands-on Activities
Water is a precious natural resource. What happens if it gets polluted? Learn how water can be cleaned with this hands-on activity?
![What are the effects of acid rain on rocks?](/sites/default/files/2019-08/what-are-the-effects-of-acid-rain-on-rocks.jpg)
What are the effects of acid rain on rocks?
Hands-on Activities
Learn about the chemical reaction that happens between acid rain and limestone.
![Biofuel concept](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/biofuel-concept.jpg?itok=mGz1FUEJ)
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.
![Weather Vane](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/weather_vane.jpg?itok=JUERBD4o)
Tools: Weather Instruments
Picture Collections
15 images of various instruments such as rain gauges, wind vanes and weather satellites used to inform us about the weather
![Plastic drinking straws](/sites/default/files/styles/resource_card_image_360x300_/public/2020-06/plastic_drinking_straws.jpg?itok=jMA-xYeF)
We Use a Lot of Plastic
STEM Explained
What are microplastics? How are plastics polluting aquatic ecosystems?
![Cirrus Clouds Cirrus Clouds](/sites/default/files/styles/resource_card_image_360x300_/public/Cirrus_clouds_mar08.jpg?itok=R93cjlHA)
Weather: Cirrus Clouds
Picture Collections
5 images of cirrus clouds that are wispy or feather-like clouds at high level, made of ice crystals and may indicate an approaching storm
![Cold Cold](/sites/default/files/styles/resource_card_image_360x300_/public/cold.jpg?itok=g55mktjp)
Weather: Conditions
Picture Collections
11 images that illustrate some daily weather conditions such as cold, hot and windy
![Wasted food on the ground](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/food_waste_on_ground.jpg?itok=Hpl8H3ev)
The Environmental Impact of Wasted Food
STEM Explained
One-third of all food produced is wasted. Learn about the environmental consequences of food waste, and what you can do about it.