The headwaters of the Cuyahoga River run smooth and pudding-brown; warblers dart through flooded underbrush, and the canoe I'm in travels swiftly and silently downstream.
This river, an icon of the modern environmental movement, is perhaps most famous for catching fire multiple times in the 1960s and catalyzing the series of environmental protections the U.S. Congress passed in that era. It's now mostly clean, and serves as a symbol for another environmental problem -- the potential risk the natural gas boom poses to clean water in Ohio and other states experiencing a rush of energy activity.
The Colorado Oil and Gas Conservation Commission has ordered a 20 day halt to wastewater injection at a well near the Greeley/Weld County airport. The order follows a second earthquake in the Greeley area, a 2.6 magnitude event June 23.