The Amazon rainforest is facing several serious threats, but three issues stand out above the rest: deforestation, climate change, and forest degradation caused by fires, mining, roads, and other human activity. Together, these problems are weakening one of the most important ecosystems on Earth. The Amazon stores enormous amounts of carbon, supports extraordinary biodiversity, and helps regulate rainfall across much of South America, so damage to it has consequences far beyond the forest itself.

The biggest issue is deforestation. Large areas of forest are cleared to make room for cattle ranching, soybean production, and other forms of agriculture. According to WWF, agriculture is the leading cause of deforestation globally, and the Amazon has already lost a substantial share of its forest cover because of human activity. UNESCO also notes that nearly 1,000,000 square kilometers of Amazon forest have been destroyed over the past 30 years, largely to create pastureland and soybean-growing areas. When trees are removed on this scale, wildlife loses habitat, carbon stored in the forest is released into the atmosphere, and the rainforest becomes more fragile overall.

The second major issue is climate change. The Amazon depends on a delicate balance of heat, moisture, and rainfall. Rising temperatures and shifting weather patterns are increasing drought stress in many parts of the region, which makes the forest less resilient and more vulnerable to fire. The loss of forest also feeds this problem, because fewer trees mean less moisture is recycled back into the atmosphere. In other words, deforestation and climate change are making each other worse. The IPCC has warned with high confidence that deforestation and increasing wildfires contribute significantly to climate change by releasing greenhouse gases and reducing the land’s ability to act as a carbon sink.

The third issue is forest degradation, which is not always as visible as clear-cutting but can be just as damaging over time. Degradation happens when the forest is weakened by logging, repeated fires, mining, fragmentation from roads, and other disturbances that do not completely remove the forest but reduce its health and ecological value. Research published in Science has found that degradation in the Amazon is increasing and, in some areas, may now exceed deforestation rates. This matters because a degraded forest stores less carbon, supports fewer species, and is more likely to suffer further damage in the future.

These three problems are deeply connected. Deforestation opens the door to hotter, drier conditions. Climate change intensifies drought and fire risk. Degradation weakens forests that remain standing. Protecting the Amazon will require stronger enforcement, better land-use planning, support for Indigenous and local communities, and economic models that do not depend on destroying the forest. Without that, one of the most important natural systems on the planet will continue to decline.