Countless studies have proven that nature has many therapeutic benefits for the mind, body, and spirit. Nature can make people feel more energized and less stressed while also increasing levels of happiness. Believe it or not, according to a study published in National Geographic, planting just 11 extra trees on a street boosted the residents’ happiness level as if they had each received a $20,000 raise. Yes, you read that right. Trees can make people as happy as money.