Drought-ridden Los Angeles made headlines when an old pipe burst, leaking 20 million gallons of water. But it turns out the whole U.S. is long overdue for a water infrastructure upgrade.
Because sushi connoisseurs have nearly wiped wild bluefin out, some scientists are trying to domesticate them. But, it turns out, tuna farming is no easy plow.
A few months ago, scientists thought that a strong El Niño could help turn California's epic drought around. Now it looks like that's not going to happen.
Our little habit of wiping out wildlife is going to come back and bite us.
Decades of logging, fire suppression, and now climate change have turned our forests into firestorms. But the war on wildfire is one we just can't win.
Train wrecks have done more than $10 million in damage as of mid-May this year -- nearly triple the damage for all of 2013. The feds want to stop that.
Journalist Will Potter plans to use drones to fly around ag-gag laws and get the dirt on factory farms.
The EPA is still refusing to ban these dangerous insecticides, but a U.S. Fish and Wildlife official is phasing them out in some wildlife refuges.
Instead of a patchquilt of permitting rules that vary from county to county, the state now has a simpler -- and cheaper -- process.