As forests burn around the world, drinking water is at risk

Fabric curtains stretch across the huge Warragamba Dam to trap ash and sediment expected to wash off wildfire-scorched slopes and into the reservoir that holds 80% of untreated drinking water for the Greater Sydney area.

The bitter lesson of the Californian fires

California is burning, again. Dozens of people have been killed and thousands of buildings destroyed in several fires, the most destructive in the state's history.

NASA image: Rim Fire in California

The Rim Fire began in California on August 17, 2013. The cause of the fire is still under investigation. This fire is treacherous and has tripled in size in the last few days to now over 106,000 acres. The fire had been 5% ...