* Conversion to cropland: Forests are often cleared to make way for agriculture, particularly in tropical regions. This can be done to grow cash crops such as soybeans, palm oil, and cattle, or to provide land for subsistence farming.
* Grazing: Forests can also be degraded by overgrazing by livestock. This can damage vegetation, compact the soil, and lead to erosion.
Logging
* Timber extraction: Trees are harvested from forests for a variety of purposes, including construction, furniture making, and paper production. Unsustainable logging practices can damage forest ecosystems and contribute to deforestation.
* Fuelwood collection: Wood is still an important source of energy for many people around the world, particularly in rural areas. Unsustainable fuelwood collection can damage forests and lead to deforestation.
Mining
* Open-pit mining: Open-pit mining is a method of extracting minerals from the ground by digging a large open pit. This type of mining can have a devastating impact on forests, as it destroys vegetation, pollutes water sources, and displaces wildlife.
* Underground mining: Underground mining can also damage forests, as it requires the construction of roads and infrastructure that can fragment forests and disrupt wildlife habitat.
Urban development
* Expanding cities: As cities grow, they often encroach on forest areas. This can lead to deforestation and the loss of wildlife habitat.
* Infrastructure development: The construction of roads, highways, and other infrastructure can also lead to deforestation and habitat loss.
Climate change
* Drought: Climate change is leading to more frequent droughts, which can stress forests and make them more vulnerable to fire and pests.
* Wildfires: Wildfires are a natural part of many forest ecosystems, but climate change is causing them to become more frequent and severe. This can damage or destroy forests and lead to the loss of wildlife habitat.
Hunting and poaching
* Illegal logging: Illegal logging is a major threat to forests around the world. It is often carried out by criminal organizations, who profit from the sale of illegally harvested timber.
* Poaching: Poaching is the illegal hunting of animals. It can have a devastating impact on wildlife populations and can lead to the loss of keystone species that are essential for forest health.
Invasive species
* Invasive species: Invasive species are non-native species that have been introduced to an area and have a negative impact on the local ecosystem. Invasive species can compete with native plants and animals for resources, such as food and habitat, and can also spread diseases.