We know that the number 70 is one being inserted purposefully into the news for symbolic reasons. In this example, it is no different, where the focus is ‘climate change.’
Climate Change = 70
Paris, France = 70
Vatican = 70
Francis = 70

https://www.cnn.com/2022/06/20/africa/south-africa-water-crisis-climate-weather-intl/index.html