My concern for ever deteriorating environment prompted me to explore simple alternate energy sources, This led me to Solar Cookers way back in 1985. My requests to VITA of USA and researchers in India resulted in getting mountains of information. My first review on Solar cooker was published in 1995, in Proceedings of All India Conference on Alternate energy sources, held at Manipal Institute of Technology. Than in TIDE of Tata Energy Research Institute in 1998. My web site on the subject was popular, and later in 2008 or so my review article on Solar cookers got published in EOLSS of UNESCO, and almost at the same time as 'Compendium of Solar cooker designs. in Solar cooker International porta. Right now, I am also working on harnessing energy from Oceans,