Try this easy quiz. What do you know about global warming?
A natural cycle of the earth's climate
Mostly caused by human activity
Caused by the damaged ozone layer
Oxygen
Hydrogen
Nitrogen
Carbon Dioxide
A good thing for the earth
A dangerous effect that we don't need
Kept warm by the ozone layer
Not happening. It doesn't exist!
Hydrogen
Biofuel
Wind Power
Petroleum
Wood
We release ozone emissions
We release chlorofluorocarbon emissions
We release carbon dioxide emissions
We release sodium chloride emissions
We release carbon monoxide emissions
The greenhouse effect temperature is about the same
The greenhouse effect is cooling
The greenhouse effect is warmer than it should be
Carbon dioxide
CFCs (chlorofluorocarbons)
Oxygen
Ozone
Carbon Monoxide
Wood chips
Coal
Biomass
Peat
Riding a bicycle
Breathing out carbon dioxide
Planting a tree in your garden
Driving in an old car with three other people
Turning off a computer at the wall socket
Start using renewable energy like solar and wind to make electricity
Recycle paper, plastic, glass and aluminum cans
Walk or ride a bicycle instead of riding in a car
Turn off the lights in your house when nobody is there
Buy some chickens or a worm farm to stop putting food into the garbage bin