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Such a small increase is threatening the habitat of many species.

The melting of the ice is leading to loss of habitat for polar bears.

30% of the world's land species could face extinction.

An increase of 2 °C could result in extinction for 30% of species.

Experts predict that global sea levels could rise by 30.5–122 cm.

Consequently, some areas that were land are now under water.

The world's ecosystems are changing faster than ever before.

Mangrove forests have been destroyed in the last few decades.

Approximately a quarter of the land on Earth is used for growing food.

Carbon dioxide goes into the atmosphere and traps heat.

We need to start using renewable energy such as solar or wind power.

The biggest challenge we face is to prevent further environmental disasters.

We must prevent further environmental disasters.

Many forests are threatened by deforestation – the process of removing trees.

The destruction of forests occurs for several reasons.

Trees are used as fuel or for construction.

Cleared land is used as pasture for animals or fields for planting food.

The main causes of deforestation are commercial farming by big business.

Industrial logging is carried out to clear huge areas for palm oil.

Governments should protect forests from illegal logging.

In contrast, local farmers may cut down trees to clear a small area.

Farmers clear land just big enough to graze cattle or grow crops.

It takes around ten years for cleared land to recover.

This constant reuse of land leads to heavy erosion – the loss of top soil.

Erosion can cause flooding in heavy rain.

Tropical rainforests help control the Earth's temperature.

The Amazon rainforest absorbs an estimated 1.36 billion tonnes of CO₂ annually.

The vast rainforest of the Amazon covers an area around 25 times the size of the UK.

The rainforest absorbs an estimated 1.36 billion tonnes of carbon dioxide annually.

The rainforest absorbs 1.36 billion tonnes of carbon dioxide annually.