I think the best way is to try providing helpful things that will help the humans or have people try to plant the plants somewhere that reminds them of their old climate
I REALLY HOPE THAT HELPS I tried
1- the grass dies due to lack of food, from lack of photosynthesis from lack of sunlight
2- you danger the enviroment
The answer is macrophages. They either actively invade these leukocytes or are phagocytosed, divide in the cells and cause lysis. The promastigotes that invade these leucocytes are transformed into amastigotes in the macrophages. These amastigotes continue attacking other healthy macrophages while others migrate to the mid gut.