UN Global Compact is a voluntary initiative to encourage businesses to adopt and report on sustainable and socially responsible policies. It seeks to align business operations and strategies with ten universally accepted principles in the areas of human rights, labour, environment and anti-corruption
Underground homes are a term used to describe a house built into the ground or slope of a hill, or which has most or all exterior surfaces covered with earth. Because its earth insulation serves as a thermal mass, it retains warmth in winter and remains cool in summer.
UNEP united nations environment Program
UNESCO The United Nations educational, scientific and cultural organization
Uneven yarn. Ring Spun yarn is by nature never perfectly regular; these irregularities can be used to give character to the thread and subsequently to the fabric. It can be either light to provide a natural appearance, or pronounced, to provide an antique effect.
Uniformitarianism is aa term used to describe the principle that geological events explained by processes observable today (the present is the key to the past). It assumes these processes have not changed during geological time.