The Amazon rainforest stretches across South America like a green ocean, supporting millions of species and helping regulate the planet's climate. Yet it is under growing pressure from human activity and environmental shifts. Three issues stand out as the most pressing: deforestation, climate change, and wildfires. Each one weakens the forest in its own way, and together they create a cycle that is hard to break.

Deforestation remains the most direct threat. People clear trees mainly for cattle ranching and large-scale farming, especially soy. Over the years this has stripped away about 18 percent of the original forest cover, with another big chunk now degraded rather than fully intact. Progress has come recently. In 2025 Brazil recorded an 11 percent drop in clear-cutting compared with the year before, reaching the lowest level in more than a decade. Still, new roads and mining projects keep opening fresh access to untouched areas, making it easier for illegal loggers and ranchers to move in.

Climate change adds another layer of stress. Warmer temperatures and changing rainfall patterns are drying out large sections of the forest. Parts of the Amazon now lose more moisture than they gain during dry seasons, and scientists warn that the region is edging closer to a tipping point. Once crossed, vast stretches could shift from dense rainforest to open savanna, releasing stored carbon instead of absorbing it. The forest already pulls in about 30 percent less carbon dioxide than it did in the 1990s, partly because of earlier losses.

Wildfires complete the trio. Many start when farmers or ranchers burn cleared land, but drought conditions fueled by climate change let the flames spread farther and burn hotter. Even though fire activity eased a bit in 2025 after a brutal previous year, the damage from earlier blazes still lingers. Burned areas grow back more slowly, if at all, and the smoke affects air quality across entire countries.

These problems feed one another. Cleared land heats up faster, which worsens local droughts and invites more fires. The result is a forest that grows weaker and less able to bounce back. Governments have stepped up enforcement in places, and some Indigenous communities have managed to protect their territories better than outside areas. Yet without steady pressure on the drivers—especially agriculture and infrastructure—the gains could slip away quickly. The Amazon is not just a far-off wilderness. It is a living system that touches weather patterns and carbon levels around the globe. Protecting it means facing these three threats head-on, before the changes become impossible to reverse.