This gas is referred to as CO2 by scientists and is produced by animals and the burning of fossil fuels. Plants need this gas to live just like animals need oxygen.
What is carbon dioxide?
100
This black liquid is created over millions of years when the remains of dead plants and animals are put under enormous pressure and heat.
What is oil?
100
This system of lakes in Canada have some of the largest fresh water lakes in the world.
What are the Great Lakes?
100
This form of energy, when burned, does create some air pollution, but less so when compared with fossil fuels. This form of energy can be regrown every 25 to 50 years and is therefore reusable.
What is wood?
100
This bin is used to store all your family recyclables so that special trucks can come by and pick the materials up to be recycled.
What is a blue box?
200
This warming effect on our planet is the result of too much carbon dioxide, methane and other gases being poured into our atmosphere.
What is global warming?
200
These solid, black chunks are dug out of the ground in mines, and were used to power trains in the old days... before the age of diesel trains. We use them today in our dirtiest power plants.
What is coal?
200
To get water to your tap, fresh water must first be cleaned, treated and then pumped high up into this storage container.
What is a water tower?
200
These structures only need moving air to produce electricity. Many farmers are making money by having them on their property.
What are wind turbines?
200
Instead of throwing out plant wastes, they can be mixed with soil and other plant matter, left to break down and turned into rich black soil for gardens.
What is composting?
300
This dirty air hanging low in the atmosphere is caused by air pollution that gets trapped below a cold air mass.
What is smog?
300
This gas is formed in the underground caverns where oil is stored. It is colourless and can be piped into people's homes to power heating systems, water heaters and stoves. It is less polluting than other fossil fuels.
What is natural gas?
300
This household device uses the most water.
What is a toilet.
300
This cover for a swimming pool requires no electricity and heats the pool when people are not swimming in it.
What is a solar blanket?
300
Corrugated cardboard has air spaces in it and is generally sturdier than this recyclable packaging material, used in cereal boxes.
What is boxboard?
400
This type of automobile runs on electricity at low speeds and in town to cut down on pollution and use of gasoline.
What is a hybrid?
400
This area of Alberta has huge deposits of oil that is mixed in with sand.
What are the Tar Sands?
400
Heavy rains can wash this chemical from farmers' fields into streams. It then leads to rapid algae growth in lakes and can rob the lake of all its oxygen, killing fish and other creatures in the lake.
What is fertilizer?
400
Electricity is generated from the heat of burning plants that can be regrown each year, or even by burning garbage that would have gone to the landfill anyway.
What is biomass energy?
400
This material comes in many different varieties, and must be sorted by number when recycled, as each number requires a different process at the recycling plant.
What are plastics?
500
People with this condition can sometimes have difficulty breathing on days when the air pollution index is very high.
What is asthma?
500
These huge ships carry oil around the world. When they spring a leak, they create huge pollution problems.
What is an oil tanker?
500
Port Elgin is situated on this huge lake, the second largest of the Great Lakes.
What is Lake Huron?
500
These special electric cells can convert sunlight or any light source directly into electricity. We use them on many calculators and for our outdoor lights.
What is solar energy?
500
When they are worn out, these things can be taken to a plant, ground up and melted into asphalt to put on roads. They can also be added to asphalt in school tracks to make the tracks bouncier and easier on runners' knees.