What are threats and problems towards the desert?

Answer:
One human activity causing problems in the deserts are that collectors are selling cacti for money. Another human activity that damages the desert is when people drive off road with 4 wheelers. When people do this it can leave 7-foot deep holes in the ground and this damage can take 100 to 1,000 years to recover from.
First answer by ID0416629682. Last edit by Loosu angel. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 6 [recommend question].