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![The authors co-chair the Earth Commission, which will spend the next three years compiling a high-level synthesis of knowledge on the processes that regulate the planet’s stability and underpin biodiversity and life-supporting land, water, and oceanic systems. It will also provide a scientific synthesis of the social transformations required to sustain the development of human societies within a safe planetary operating space. Photo: NASA. Earth from space](/sites/default/files/styles/listing_image_290x218/public/nasa_earth_sunrise.jpg?h=e85f6c07&itok=DyFlfq57)
Earth system alert
In response to growing public demand, policymakers and business leaders are increasingly uniting around shared commitments to reduce planet-warming greenhouse-gas emissions. But while phasing out fossil fuels is necessary, ensuring humanity's long-term survival will also require far-reaching…