International year of light 2015

UNESCO ( United Nations Educational, Scientific and Cultural Organisation) has designated 2015 the year of Light and light based Technologies. 

The logos for UNESCO and the International Year of Light. image:

According to UNESCO, 

 "it has recognised the importance of raising global awareness about how light-based technologies promote sustainable development and provide solutions to global challenges in energy, education, agriculture and health. 

Light plays a vital role in our daily lives and is an imperative cross-cutting discipline of science in the 21st century.

The year is celebrated through a range of world wide collaborations of organisations that promote the use of light and light based technologies such as optics and light generating technologies.