Complex sentence: Earthscan was originally founded by the International Institute for Environment and Development in 1987 with the aim to publish original, reliable and significant work to foster the conditions for genuine sustainability by providing the means for understanding and analysing the issues and the tools for resolving them.
Split into simpler sentences: Earthscan was originally founded by the International Institute for Environment and Development in 1987. The aim is to publish original, reliable and significant work that helps to foster the conditions for genuine sustainability by providing the means for understanding and analysing the issues and the tools for resolving them.