The Amazon still stretches across about three million square kilometers and nine countries, but the forces pulling it apart have become familiar to anyone who follows the forest year to year. Three problems show up in almost every satellite map and field report, and they reinforce each other.

1. Clearing land for beef and soy

The biggest direct driver is still cattle. A World Bank paper and Greenpeace analysis put ranching at roughly 80% of deforestation in the Brazilian Amazon, and FAO data from the mid-2000s found that 70% of previously forested land in the region, and 91% of land cleared since 1970, was turned into pasture. Soy came in behind the roads, especially in Mato Grosso, and was estimated at about 15% of Amazon clearing around 2011.

That steady conversion adds up. Researchers now say about 18% of the original Amazon is gone, and climate scientists like Carlos Nobre warn that if loss hits 20 to 25%, the forest starts to lose the ability to make its own rain. The pressure hasn't eased much globally: in 2024 Brazil alone accounted for 42% of the world's tropical primary forest loss.

2. A hotter climate and more fire

The second issue is what the climate is doing to the trees that remain. A study published in Nature in early 2024 estimated that 10% to 47% of the Amazon's current forest cover will face combined stress from warming, extreme drought, deforestation and fire by 2050.

You saw that dynamic in 2024, when an El Niño-linked drought left rivers at record lows. Fires, many started to clear pasture but then escaped, caused 66% of Brazil's forest loss that year. 2025 was wetter and saw stronger enforcement, so the numbers fell back: burned area in Brazil dropped about 80% to 7.5 million acres, and the Amazon Regional Observatory reported a 68% fall in deforestation after a 256% spike the year before. The swing shows how closely fire tracks rainfall now, not just policy.

3. Illegal mining and the slow damage

The third is less visible from space but just as persistent. A RAISG mapping project identified at least 2,312 illegal gold mining sites across Brazil, Bolivia, Colombia, Peru, Ecuador and Venezuela, many inside Indigenous territories and protected areas. Miners use mercury to separate gold, and that mercury seeps into soil, rivers and the food chain, where it can cause serious health problems.

The Amazon Regional Observatory still lists the expansion of cattle ranching and illegal mining as the main structural pressures, even after the 2025 dip. Unlike a single fire season, mining leaves pits, mercury contamination, and access roads that invite more clearing later.

None of these three is new, but together they push the forest toward a point where it cannot sustain itself. Even with a good year for enforcement in 2025, the underlying economics of beef, the warming trend, and the gold price mean the Amazon is still living close to that edge.