"In many parts of the country, areas that are now full of houses and schools and shopping centers were once oil and gas fields. You wouldn't know it by looking, but hidden underground, there are millions of abandoned wells. New development happening on top of those old wells can create a dangerous situation."

"Texas would rely more on treated toilet water and pumping rainwater into aquifers to serve its booming population over the next half-century under the state's 2017 water plan approved Thursday."

"With clay soil and tabletop-flat terrain, Houston has endured flooding for generations. Its 1,700 miles of man-made channels struggle to dispatch storm runoff to the Gulf of Mexico. Now the nation's fourth-largest city is being overwhelmed with more frequent and more destructive floods."

"The agency that decides what gets built and where along the California coast is facing questions about transparency after it pushed out its top executive in a closed-door vote and without a clear explanation of why the change was being made."

"For more than four decades, the California Coastal Commission has policed land use and preserved public access along more than 1,100 miles of shoreline — some of the most valuable and scenic real estate in the nation. Now an internal battle over whether to fire its executive director has set off an intense public fight over the direction of the agency and its ability to control development and protect the state's vast coastal resources."

"Spurred by renewed fears of the fabled “Big One” shattering the West Coast, the Obama administration on Tuesday promoted stronger earthquake-preparedness efforts as part of a first-of-its-kind White House summit."