CLEAN: Climate change threatens South Africa's rooibos tea

The video discusses the endemic nature of rivers and plant growth in specific areas, highlighting that certain plants grow only in particular regions. It then shifts to agricultural practices, noting a transition from traditional plowing to modern methods that preserve soil moisture. The video also addresses climate change, projecting a temperature increase and drier conditions in South Africa's western regions. Lastly, it includes a section with various unrelated topics and phrases.

What does the text suggest about the moisture preservation methods used in the area?

What is the general outlook for the Western interior and coastal regions of South Africa?