Abstract
One way to address the crises of climate change and biodiversity loss is the rapid deployment of so-called nature-based solutions (NbS). Coined in 2008, NbS have become exceedingly popular, with many calling to upscale these works. However, many large-scale ecological restoration and construction endeavors already exist. To capture these projects, this paper coins and defines a new term, the “mega-eco project” and identifies roughly 250 examples worldwide as material evidence. This paper explains what constitutes a mega-eco project and organizes the examples into four typological categories: connectivity, anti-desertification, watershed, and metropolitan projects. Although our primary concern is with contemporary and emerging mega-eco projects, we also show that mega-eco projects have a history and not all of it is good. It is important to consider mega-eco projects in this light because one of their distinguishing characteristics is that when set against the backdrop of environmental crises, many view these projects as virtuous, benevolent undertakings. While we agree with this sentiment and believe mega-eco projects have the potential for a profound shift in how industrialized humans treat the environment, this introductory analysis is part of a more extensive study aimed at identifying best practices to distinguish them from cases of greenwashing and exploitation.
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