Sightline Author

Clark Williams-Derry

Clark Williams-Derry, deputy director, leads Sightline's research and outreach efforts. Clark brings considerable powers of data geekery to blog topics like climate change and transportation patterns. Previously, Williams-Derry served as senior analyst with the Environmental Working Group. Find his full bio here. Email: clark [at] sightline [dot] org.

Clark's Posts

A Month of Disappointments for Coal Exporters

The bad news for the coal industry keeps rolling in.

Disputing a Study on Coal Exports and Climate

A poorly designed study assumes that breaking the law is "business as usual."

Do Coal Investors Really Care About Exports?

A coal stock sell-off suggests that coal investors ignore export news.

Ambre Energy’s Troubled History: Greatest Hits Edition!

The "thin green line" of the PNW puts Ambre in its place.

Pacific Rim Coal Prices Continue to Tumble

Coal exporters are seeing red...and red latest price drops.

Coal Exports: Unfair Market Value

By ignoring exports, BLM underprices federal coal.

Bad News for Ridley Terminal

For Canadian coal export terminal, a series of unfortunate events.

South Korea’s All-New Tax on Imported Coal

A win for human health and the climate, but a loss for US exporters.

To Revitalize Downtowns, Tax Land Speculation

Five reasons to love land-value taxes.

Of Pop Rocks and Coal Exports

Exploding the urban legend that coal exports will be good for the climate.