René Bijlo from Benidorm, Spain

"My name is René and I live in Benidorm, Spain. I wish that people would use more solar energy to cook with, above all in regions where a lot of wood is used to cook with. But people in wealthy countries can also improve their carbon footprint if they cook with solar energy, which has no CO² emissions. You only need a few square meters of free space. With a solar cooker, like the one in the photo, you can cook for a family of 10 every day. Aside from that, you can also sterilize water, saving not only money but also reducing harmful greenhouse-gas emissions."

René Bijlo from Benidorm, Spain

Editor: Helen Whittle