Nature Change
As Botswana have more population of elephants. It had brought of change in human between elephants, conflict between the lands.
http://www.worldwoodday.org/2019/regions_event/51?p=370260098
World Wood Day is a cultural event celebrated annually during the week of March 21st to highlight wood as an eco-friendly and renewable biomaterial and to raise awareness on the key role wood plays in a sustainable world. Starting from 2013, WWD celebrations were held in Tanzania, China, Turkey, Nepal, and United States respectively, involving participants from over 100 countries and regions.