by Louise Meyer, Solar Cooker Review, December 2000 Every time I am in Switzerland I contact Group ULOG, a solar energy organization founded in 1980 by Ulrich and Lisel Oehler. I am indebted to Ulrich, who introduced me… Read More

La Paz newspaper, September 2001 (English Translation) A SOLAR OVEN MADE IN BOLIVIA "The Sunday market has become a useful stage to promote educational and informative programs. One of them is La Roca, a project of engineering services… Read More

by Ulrike Roehr, ENERGIA News vol. 5 nr 4, p.9, December 2002 In the last legislative period, the German Federal Government decided to translate gender mainstreaming into action in all ministries. What does this mean for the work… Read More