An excavator and other construction vehicles near an active lava flow.
Thermoelectric generators probably won’t eliminate the charger for your Apple Watch, but for smaller, screenless wearables, the heat constantly escaping from your skin could fundamentally change how we power our devices.
A new model suggests the Thwaites Glacier could contribute twice as much sea-level rise.
This promising advancement could be a boon for disaster preparedness.
Warming air temperatures are causing glaciers to shrink by about 8% each decade.
Human activity is putting serious strain on groundwater supplies around the world, a new study suggests.
Forecasters are monitoring three cyclones set to make landfall on North American coastlines over the next two days.
Photo: Marco Di Marco (AP) 
