An economic surplus is also known as total welfare. An economic surplus is related to money, and it reflects a gain in the expected income from a product. There are two types of economic surplus: consumer surplus and producer surplus.
A bit academic in terms of style, but accessible, nonetheless! Environmentalism refers to a social movement and associated body of thought that expresses concern for the state of the natural environment and seeks to limit the impact of human activities on the environment.
Hedonism is a school of thought that argues that pleasure and happiness are the primary or most important intrinsic goods and the proper aim of human life.[1] A hedonist strives to maximize net pleasure (pleasure minus pain), but when having finally gained that pleasure, either through intrinsic or extrinsic goods, happiness remains stationary. Ethical hedonism is the idea that all people have the right to do everything in their power to achieve the greatest amount of pleasure possible to them. It is also the idea that every person's pleasure should far surpass their amount of pain.