Of the over 400 climate scenarios assessed in the 1.5°C report by the Intergovernmental Panel on Climate Change (IPCC), only around 50 scenarios avoid significantly overshooting 1.5°C.

Diffenbaugh and his co-author Elizabeth Barnes, a professor at Colorado State University, assessed three different scenarios: Low, medium and high “forcing” climate pathways, which refer to ...

The researchers arrived at this conclusion after modeling different emission scenarios through 2023, one that included "alternative scenarios with institutional, geophysical and technological ...