• The carbon converters – students compare the amount of carbon stored in a hardwood tree and a softwood tree.

• Your own greenhouse – recording temperatures inside and outside a plastic bottle.
• Temperature of the Pacific Ocean – graphing past temperature changes.
• Global warming – writing an essay.
• Plant growth and carbon dioxide – graphing the effect of CO₂ on plant growth.
• Dissolved gases in water – showing that water can absorb CO₂ .
• Amount of greenhouse gases in the global atmosphere – graphing data from Cape Grim.
• Planting trees – estimating tree plantings needed as a carbon sink.

• The greenhouse effect in a jar – showing that trapped air will warm.
• Bringing the greenhouse effect down to Earth – comparing the amount of carbon dioxide in four different sources of air.

• Photosynthesis – showing that plants need light to produce starch.

Science and Mathematics Initiative for Learning Enhancement (Illinois Institute of Technology, USA)

• Photosynthesis – using a water plant to measure the rate of photosynthesis.

New York Times (USA)

• Tending to the greenhouse – examining causes, effects and solutions for global warming.
• Clearing the air – students investigate a variety of emissions that contribute to global warming and make recommendations for reversing the global warming trend.