Global Warming:
Increased amount of carbon dioxide in the air due to the disappearance of forests can lead to global warming. This happens because carbon dioxide is a greenhouse gas that traps heat in the atmosphere, causing the Earth's temperature to rise.

How does the disappearance of forests lead to an increase in carbon dioxide?
- Forests play a crucial role in absorbing carbon dioxide through the process of photosynthesis. When trees are cut down or burned, the stored carbon in the trees is released back into the atmosphere as carbon dioxide.
- Deforestation also reduces the number of trees available to absorb carbon dioxide, leading to an imbalance in the carbon cycle.

Impacts of Global Warming:
- Global warming can lead to a variety of negative consequences, including rising sea levels, more frequent and severe natural disasters, changes in weather patterns, and loss of biodiversity.
- The Earth's climate is disrupted, causing shifts in ecosystems and threatening the livelihoods of many species, including humans.

Addressing the Issue:
- One way to mitigate the impacts of global warming caused by the disappearance of forests is through afforestation, which involves planting new trees to replace those that have been lost.
- Afforestation helps to sequester carbon dioxide from the atmosphere and restore balance to the carbon cycle.
- It is essential to protect and conserve existing forests to prevent further deforestation and reduce carbon emissions.
In conclusion, the disappearance of forests leading to an increase in carbon dioxide in the air is a significant concern that contributes to global warming. Taking action to preserve and restore forests is crucial in addressing this issue and mitigating its impacts on the environment.