What are some environmental concerns that affect the nature's preservation?

please help me. I need the problems that has something to do with environment preservation.What are some environmental concerns that affect the nature's preservation?Fire is readily available to us now. Discarded matches can interfere with the department of the interior's methods themselves hut preservation of forests. The department risks preservation of the forests by fighting, and reducing forest fires, without really control forest fires entirely. This results in built up fire dangers, so to there not being one for awhile and the improper care leads, and has resulted in previously, artificially escalated fire damage when there is forest fire.