My Penn State colleagues looked with horror at the police tape across my office door. I had been opening mail at my desk that afternoon in August 2010 when a dusting of white powder fell from the folds of a letter.
2016 Selected Commentaries
The Washington Post
Scientific American
Donald Trump should pursue climate action to achieve his own economic, jobs and competitiveness goals.
The Huffington Post
In just a matter of weeks, we will be confronted with a critical decision. It is not mere hyperbole to assert that we are facing a make-or-break election as far as climate change is concerned.
The Washington Post
They've stalled action with a campaign of deliberate misinformation.