Part II
The first part of this analysis described a climate that no longer warms in an orderly way but unravels, and pointed, alongside accumulated emissions, to a second and less discussed form of human destruction: the elimination of the ecosystems that, until now, kept the climate in balance. Here the recent evidence is revealing, because it shows that a forest is not a passive spectator of the climate, but one of its active regulators.
A study published in Nature Communications in late 2025 described what is happening in the Amazon as a synergistic interaction: global warming amplifies the sensitivity of the local climate to land-use change, while deforestation intensifies regional warming and reduces evapotranspiration, aggravating the trend further still. The most deforested zones of the eastern and southeastern Amazon exhibit stronger warming and release carbon, as against the better-conserved western regions. That is: felling the forest does not only add carbon to the atmosphere it warms its own region, dries its own air and releases what it had stored for millennia, accelerating the very process that degrades it.
The phenomenon is not exclusive to the Amazon. A study in Science Advances found that forest loss intensifies meteorological drought in more than half of the Earth's climate zones, by reducing the atmospheric moisture recycling on which rainfall depends. Over the Congo basin, the world's second-largest tropical forest, a 2026 assessment projected that deforestation could reduce rainfall by up to ten percent and raise surface temperatures by around 0.7 °C by mid-century, as well as turn the basin from a carbon sink into a source. And research in Geophysical Research Letters showed that, as the climate warms, the deforestation threshold beyond which rainfall collapses is reached with ever less forest lost: the limits once believed safe for maintaining water stability no longer suffice. Destruction and warming feed each other.
From this follows a conclusion that reorders the way we read climate disorder. For a long time, forests, wetlands and mangroves were counted as scenery, as aesthetic backdrop or as a reserve of resources. What the science of recent years makes clear is that they function, in reality, as the planet's infrastructure of stability: they cool the air, recycle the rain, absorb the floods, buffer the storm surges. They are the system's shock absorbers. And their destruction is not merely a loss that adds to the problem; it is the dismantling of what would have contained the blow, precisely as the blows grow more frequent and more forceful. A world with fewer intact ecosystems is not only a world poorer in nature: it is a world with less capacity to absorb its own chaos.
That is the angle the disorder of 2026 makes impossible to ignore. If the ecosystems still standing are, in a literal and measurable sense, the infrastructure that stabilizes the climate, then the question that follows is not how much the disorder already here will cost, but how much what can still contain it is worth.
SOURCES
Institutional climate monitoring World Meteorological Organization (WMO): early-2026 extreme-event assessments. Copernicus Climate Change Service (C3S): January 2026 temperature ranking. World Health Organization (WHO): excess mortality from the June European heat wave.
Attribution science. World Weather Attribution: analysis of the role of climate change in the southern-African floods, the Australian heat wave and the European heat dome.
Peer-reviewed research Science Advances: intensification of meteorological drought from forest loss. Springer Nature (2026): the land-use–climate feedback in the Congo basin. Chinese Academy of Sciences and international collaborators: ocean heat content.
© Hortus Deliciarum Strategic Conservation | Amazon
This document is provided for informational purposes. Data and findings are sourced from peer-reviewed research, government records, and verified scientific publications.
