California landscape scorched as wildfires blaze on
With 700,000 acres burned so far this year, there's no end in sight for the inferno; or firefighters and victims, the numbers represent an uphill battle.
Texas towns run dry as private water trumps public need
Texas law allows landowners to pump as much water from their wells as they choose - with few restrictions - even if part of that water is siphoned from other landowners or neighboring towns.
Atmosphere's carbon dioxide breaches 400
Many climate scientists, such as James Hansen of NASA's Goddard Institute, believe that any sustained period of time with higher than 350 ppm threatens catastrophic global warming.
Australian wildfires burning out of control
One hundred and thirty fires blazed across New South Wales, Australia's most heavily populated state, as emergency teams evacuated national parks and fought to get the flames under control.
