Sustainable Development Glossary – U

Join a Smart Word! We know how frustrating it can be to read an interesting article on sustainable development and not knowing certain terms. Finding a concise definition on internet can take some time. At the YMP we want to make your reading and learning easier with our Sustainable Development Glossary A-Z.


Is the term that you look for missing in the list below? Let us know in a comment at the end of this page. We will add that term for you!

UNFCCC – The United Nations Framework Convention on Climate Change is an international environmental treaty produced at the United Nations Conference on Environment and Development (UNCED), informally known as the Earth Summit, held in Rio de Janeiro in 1992. The treaty aimed at reducing emissions of greenhouse gases. The treaty includes a non-binding call for developed countries to return their emissions to 1990 levels by the year 2000. The treaty took effect in March 1994 upon ratification by more than 50 countries.


urbanization – The term can describe a condition at a specific time, namely the proportion of total population or area in urban localities or areas (cities and towns), or the increase of this proportion over time.


UV radiation – Ultraviolet radiation. Invisible rays that are part of the energy that comes from the sun.


use phase – The period of time in the life-cycle of a product or service when humans are using it.

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