Ankara is running risks in its effort to quickly build up nuclear power.
To create the livable, sustainable cities needed to serve its burgeoning population and fight climate change, China will have to reform its system of municipal finance.
The US government's new biosecurity policy and rules for controlling dangerous biological agents take a hands-off approach to monitoring microbiologists, leaving the door open to insider threats.
How anti-nuclear activists can bring religious conservatives on board.
By setting a chemical weapons "red line" in Syria, the United States may have unintentionally undermined the international taboo against their use.
The international community's failure to acknowledge repeated Iraqi chemical attacks against Iran during the Iran-Iraq war is central to Tehran's defiance of world opinion in regard to its nuclear enrichment program.
Once decoupled from a no-uranium-enrichment goal, US policy could keep Iran's nuclear capability perpetually latent -- and harmless.
Reasons to look skeptically at claims that an Iranian firm's alleged offer to buy 100,000 ring-shaped magnets is linked to a supposed expansion of Iran's nuclear enrichment program.
In a recent book, leading scientists from India and Pakistan confront their countries' enthusiastic embrace of nuclear weapons.
Major global issues -- climate change, the nuclear threat, social pressures on indigenous peoples, and seabed resource regulation -- converge in the Arctic. Which is why a comprehensive Arctic Treaty would serve the security of the entire world.
Before Congress provides more funding, it needs independent verification that the ballyhooed Israeli rocket-defense system worked as well as advertised in the Gaza hostilities.
The diagram leaked to the Associated Press this week is nothing more than either shoddy sources or shoddy science. In either case, the world can keep calm and carry on.
In an earlier time, Americans worried about nuclear war. Now new and urgent threats to our health, environment, and civilization have taken center stage.
The first phase of a grand experiment in nonproliferation will end in 2015, but the lessons learned can continue to help Russia and its partners grapple with dual-use technologies.
The UK Supreme Court decided that participants in British nuclear testing in the 1950s waited too long to sue. The veterans may now take their class-action case to the European Court of Human Rights.
With the 2012 Middle East WMD-Free Zone Conference still on the agenda in Helsinki, speculation remains whether Israel will attend.
A recent National Academy report reaches flawed conclusions based on incorrect assumptions, analytical oversights, and internal inconsistency. It should undergo a comprehensive technical review before it is used in missile defense policy making.
Japan holds its national culture responsible for bad times as well as good ones. But that won't fix the structural flaws and stakeholder entanglements at the root of the Fukushima accident.