Original sentence: However, nuclear supporters continue to champion reactors, often with proposed new but largely untested designs, as a source of new power.Professor of science and technology Ian Lowe has also challenged the economics of nuclear power
Edited sentence: " Professor Ian Lowe has also challenged the economics of nuclear power.Furthermore, here are a large number of exciting proposals for new reactors which exemplify the great promise that nuclear fission shows in providing abundant cheap energy.He was trained as a nuclear physicist but has not worked in the area for 40 years, and reasonably be called a Fake Expert.Ian Lowe was president of the Australian Conservation Foundation for a number of years,.Jeffrey Sachs is a distinguished economics professor who says "The urgency of problem (Climate Change) and the immaturity of renewable energy industry leave little option but nuclear