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Thirty years after TMI: Five lessons learned

When I ask my students at the University of Pittsburgh if they know what "TMI" stands for, they respond with, "Too much information." They can be excused; they were born long after the 1979 accident at Three Mile Island.

Can the U.S. military move to renewable fuels?

In a 1906 planning document, the U.S. War Department imagined, "In 1950, the U.S. military [will be] a highly effective, mobile, and mutually supporting force, protecting all required American interests through dominant air, land, and sea operations powered by a petroleum energy standard that is reliably and economically produced from domestic sources."

How can we reduce the risk of human extinction?

In the early morning of September 10, the Large Hadron Collider will be tested for the first time amid concern that the device could create a blackhole that will destroy the Earth. If you're reading this afterwards, the Earth survived. Still, the event provides an opportunity to reflect on the possibility of human extinction.

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David Baltimore, 1975 Nobel Laureate in Physiology or Medicine

Paul Berg, 1980 Nobel Laureate in Chemistry

Georges Charpak, 1992 Nobel Laureate in Physics

James Cronin, 1980 Nobel Laureate in Physics

Jayantha Dhanapala, former United Nations Under-Secretary General for Disarmament Affairs

Carl Djerassi, recipient of the National Medal of Science and the National Medal of Technology

Peaking fuel sources can’t keep up with population growth

Joe Chamie calls targeting unintended fertility a “delay tactic” that hinders the immediate pursuit of reducing resource consumption. Again, we want to reiterate that we don’t view this as an either-or proposition. Instead, to avoid catastrophic climate change, we believe that the international community should pursue the methods that Fred Meyerson describes below to reverse … Continued

U.S. nuclear double standards

As seen from Pakistan, U.S. nuclear weapons policies present troubling trends; an exclusive interview with the irreverent Brig. Gen. Atta M. Iqhman.

Sustainable lifestyles, not population control, will solve the climate crisis

I’m glad we agree that universal access to noncoercive family planning and reproductive health services should be an important goal of international development policy. However, this doesn’t necessarily mean we’ve reached a consensus. I’d like to clarify several points of difference. First, although the distinction may seem subtle, there’s a big difference between family planning … Continued

Tomorrow’s nuclear power will be different than yesterday’s nuclear power

Amory is correct that the sort of nuclear power last built in the United States is much more expensive than other major sources of electric power. The construction costs of the most recent nuclear plants were about $10,000 per kilowatt (kW). But this figure is misleading when considering the cost of future plants. For example, … Continued