Here’s what you’ll learn when you read this story: Humanity’s impact on the planet is so immense that our engineered megastructures have altered the very rotation of the planet. A new study from ...

It began with a simple idea: hold back rivers to store water. But over nearly two centuries, this effort — multiplied across nearly 7,000 dams worldwide — has done something no one expected. It has ...

Human engineering appears to have moved the planet, literally. According to new research published this month, the global boom in dam construction over the past two centuries has caused measurable ...

New research suggests that the thousands of dams built over the past two centuries have caused the Earth's poles to drift more than a meter. Reading time 2 minutes Humans have built so many dams ...

Record-breaking flooding in April was a reminder for lawmakers, dam safety advocates and engineers of the vulnerabilities ...

Giant dams built to conserve the Colorado River have nearly wiped out nearby native cottonwood trees, causing big ecosystem disruption. Tiny dams built to mimic those built by beavers could bring them ...

Federal workers have taken the first steps in a $32 million maintenance of the Blue Mesa Dam, the largest of three dams that were built in the 1960s to create Colorado's biggest reservoir. It's the ...