With his decision today to withdraw the United States from the Iran nuclear deal, US President Donald Trump has put the long-term future of the deal in doubt, at the very least.

Experts warn that the Trump administration’s pro-business offensive has made “regulatory capture” of the EPA more likely than ever before. That could have severe public health consequences.

Trump’s refusal to take action on climate harms the United States. Here’s what’s behind it, and how to turn the tide.

Trump wants to spend $1.5 trillion on rebuilding roads and bridges, but experts say failing to account for climate change will add to costs.

Taken in context, the president’s repeated attempts to force a renegotiation of the Iran agreement can be seen as the counterproductive fantasies they have been. They should stop, as the president and Congress turn to focus on more pressing security challenges.

In an address to the United Nations that was roundly criticized in legacy and social media and by many in the US political establishment, President Donald Trump threatened to “totally destroy” North Korea and continued his unusual attempt to brand the leader of North Korea as “Rocket Man.”

Not-so-hidden messages in resignation letters

When bumbling, incurious ideologues gain power over an institution as important as the Energy Department, the results are both comical and disturbing.

There’s no reason why we can’t craft smart climate policies with tremendous economic benefits that also preserve the climate of the only planet we’ve got.

What does the pull-out from a signed international treaty mean, and how could it be done?

In Iran’s upcoming election, only the most immoderate candidates benefit when outsiders undermine the nuclear agreement.

It’s been an extraordinary time, perhaps best summed up by a newspaper physically located far from Washington, DC. Consider these opening sentences from the UK newspaper The Guardian, concerning recent events: “The national security adviser, Michael Flynn, resigned late Monday amid a flow of intelligence leaks that he had secretly discussed sanctions with the Russian … Continued

So why did they vote for him anyway? An environmental scientist's view.

Donald Trump’s presidential election victory raises many international security questions, including critically the future of a US ballistic missile shield in Europe, an effort long opposed by someone with whom Trump wishes to build a new relationship—Russian President Vladimir Putin.