Steven E. Koonin

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

In less than a month, delegates from more than 190 countries will convene in Paris to finalize a sweeping agreement intended to constrain human influence on the climate. But any post-meeting celebration will be tempered by two sobering scientific realities that will weaken the effectiveness of even the most ambitious emissions reduction plans that are being discussed.

The first reality is that emissions of carbon dioxide, the greenhouse gas of greatest concern, accumulate in the atmosphere and remain there for centuries as they are slowly absorbed by plants and the oceans. This means modest reductions in emissions will only delay the rise in atmospheric concentration but will not prevent it.…  Seguir leyendo »