Georgia Power should delay building three new “dual-fuel” turbines at Plant Yates near Newnan to allow time to consider potentially less expensive alternatives, an independent energy consultant said Wednesday.

Of the 177 environmental activists killed around the world last year, 60 were murdered in Colombia, says the advocacy group Global Witness. In most cases, no one is tried or convicted.

A U.S. agency is agreeing to participate in an in-depth study on whether dredging a Georgia shipping channel in the spring and summer would pose threats to rare sea turtles. The Army Corps of Engineers' announcement prompted a conservation group to dismiss a federal lawsuit that asked a judge to order such a study.

While border wall opponents are celebrating, they also say the fight may not be over. Environmental activists want wildlife corridors restored; others oppose security measure like cameras and drones.