Ecosystem loss, extinctions and climate change are ongoing challenges to life on Earth, and coming up with a plan to tackle their effects requires an accurate picture of what's happening where, and who is involved.Prof Tim Haas has taught and refined such models for years. In his latest paper, he lays out the case for a model unifying human behaviour, climate and ecosystem data, the computational power required to run it, and the credibility criteria any model should meet to prove its worth.Read the original paper at: https://doi.org/10.1371/journal.pone.0226861