Ecology

These two are very important for human or animal health. When these are high or low, mental and physical health is affected.

Low humidity 20% and less can cause skin to crack and reduce enthusiasm. High temperature can increase anger and impulsive decisions.

Natural ways to improve humidity is to restore lakes and ponds and plant big trees. This also brings down the temperature and produces a positive Atmosphere.

Extreme low temperatures and very high humidity are also problems.