Alan Robock

Nota: Este archivo abarca los artículos publicados por el autor desde el 1 de mayo de 2009. Para fechas anteriores realice una búsqueda entrecomillando su nombre.

In the early 1980s, American and Russian scientists working together outlined a stark vision of the Cold War future. In a battle between the two superpowers, smoke from fires ignited by nuclear explosions would be so dense that it would block out the sun, turning the earth cold, dark and dry, killing plants and preventing agriculture for at least a year.

This dystopia became known as nuclear winter.

We haven’t heard much about this apocalyptic future in recent years. But the research into the destructive potential of a war involving nuclear weapons has continued. Even with the reduced nuclear arsenals that the United States and Russia agreed to in 2010, we have the ability not only to set off instantaneous destruction, but also to push global temperatures below freezing, even in summer.…  Seguir leyendo »

On Wednesday, President Obama took a meaningful step toward reshaping our nuclear arsenal in line with the reality of 21st-century security priorities. Standing at the Brandenburg Gate in Berlin, he announced that he would seek negotiated cuts with Russia of up to one-third of strategic nuclear weapons as well as address the issue of nuclear weapons stationed in Europe.

But we must understand that these proposed reductions are significant only if they are part of an ongoing effort to eliminate nuclear weapons altogether. If they serve to legitimize the indefinite retention of nuclear weapons at an “acceptable” level, the specter of nuclear catastrophe will continue to haunt humanity, for arsenals of this reduced size would still inflict unimaginable destruction across the planet.…  Seguir leyendo »