Hillary Clinton writes: When I was secretary of state, the department began reviewing an application to build a pipeline that would bring Canadian oil sands crude across the border, run more than a thousand miles through the American heartland, and terminate in Nebraska  —  Keystone XL.

As the secretary who initiated the review, I refrained from commenting on the pipeline after I left the federal government. I didn’t want to get ahead of President Obama while the process was still underway — — because the decision was and is his to make.

Since the application was filed, the effects of climate change have grown more acute. More than 8 million acres have burned in the United States so far this wildfire season. California is in the fourth year of a historic drought scientists say has been made worse by climate change. More severe storms and extreme heat waves have wreaked havoc around the world. [Continue reading…]