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Controlled atmosphere experiments

Governments and peoples around the world are increasingly aware of the ecological consequences of atmospheric pollution and climate change. Much of the pollution is caused by burning fossil fuels. In large-scale experiments, plants and insects are exposed to carefully controlled atmospheres and different ecological conditions.

These include raised levels of sulphur dioxide, oxides of nitrogen, ozone and carbon monoxide. Scientists have discovered how plants and the insects feeding on them respond to pollution and climate change.

Predictions can then be made about changes in distribution of plants and animals, and how crop and forestry yields may be affected.

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