Geology, not CO2, controlled monsoon intensity in Asia’s ancient past
Over millions of years, tectonic shifts modified the strength of the seasonal rains
![Monsoon season in China](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/11/110119_cg_moonsoon_feat.jpg?fit=1028%2C579&ssl=1)
A storm drops rain in Yunnan, China, at the start of the monsoon season. Tectonic shifts were the main processes controlling the strength of the East Asian monsoon throughout geologic time, new research shows.
A. Farnsworth