OWEN LEWIS, ALBERTA, CANADA Nuclear fusion power is not only clean, but could end energy poverty once and for all.
LAWRENCE KRAUSS Concerns about racism, immigration, and global warming dominate the media. But there is an astonishing public complacency about the risk of nuclear weapons and nuclear war.
DR X., AN UNDISCLOSED LOCATION Forecasting is by nature imprecise. Yes, there’s still scientific work to do. But broadly, scientists have delivered the goods: We’re confident that humans are changing the climate.
GARETH LEWIS, ALBERTA Enthusiasts argue that by replacing fossil fuels with renewables, we can achieve a rapid, affordable, and sustainable reduction in carbon emissions. But some haven’t quite thought their assumptions through—or thought about them at all.
ROBERT ZUBRIN, DENVER Nuclear power, infinite and inexhaustible, can not only power an advanced society, but do so cheaply and safely. Why have dishonest demagogues terrified a gullible public and crippled this industry?