eTool is a global leader in optimising sustainable design of the built environment. Through our unique Life Cycle Assessment software, we provide you with the tools, services and information to design and build with the lowest environmental impact whilst ensuring the very best return on investment. As the built environment is responsible for more than 35% of the world's carbon footprint and we are moving towards a more sustainable low carbon economy, it's imperative that design tools are available that provide quantifiable environmental improvements that are economically viable, we do just this.