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Climate change: The evidence

If greenhouse gas emissions remain at, or exceed their current levels, the IPCC estimates that climate change is "very likely" to be more pronounced during this century than over the last 100 years.

This would see temperatures and sea levels rise further, but exactly how far depends on various factors including how much more CO2 enters the atmosphere.

In any event, the IPCC estimates that there will be major changes to the planet's weather systems with an increasing number of heatwaves. Those areas prone to droughts and floods are likely to experience more of them.

Dramatic changes in climate are likely to have implications for food production. Although some areas may benefit, the net effect is likely to see agriculture suffer overall.

Climate change predictions

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