CONSTITUCIÓN, Mexico — At an empty outpost deep in a forest in Mexico, biologists were checking whether the windows had been broken or the furniture stolen, or if any animals had made a home inside. The outpost had been built in 2015 for a tree-planting and forest restoration project, but it was paused in 2023. The land had been degraded by decades of farming; massive flooding every few years made restoration work too difficult and expensive for Plant-for-the-Planet, the organization that had purchased it. Researchers with Plant-for-the-Planet know they’ve fallen victim to overambition before, attempting to restore complex ecosystems they didn’t fully understand, and often with a very tight budget. At this idle site, they still hoped to get some support through a government wildlife program. But until that happened, the outpost would remain empty. “For it to make sense to restore a forest, we really need to be thinking in terms of decades and centuries,” Anna Gee, the group’s forest restoration and conservation project manager, told Mongabay. “How do you create a forest that’s going to be able to sustain itself and self-perpetuate into the future and isn’t just going to get cut down again in 20 years?” Reforestation is hard. For decades, it’s been touted as a catch-all solution to climate change and biodiversity loss, with corporations buying up carbon offsets and governments launching tree-planting campaigns, despite many of the trees dying before they reach maturity. In some instances, programs prioritize the number of trees planted over how…This article was originally published on Mongabay