Protecting Earth from asteroid impact with a tethered diversion

Our planet exists within the vicinity of thousands of Near-Earth Objects (NEOs), some of which—potentially hazardous asteroids (PHAs)—carry the risk of impacting Earth and causing major damage to infrastructure and loss ...

Road salt found to impact groundwater year-round

For many parts of the United States, winter weather can impact road conditions. To reduce hazardous conditions caused by snow and ice, many counties, municipalities, homeowners, and others use deicers. Salt is the most common ...

Ecological land grab: food vs fuel vs forests

The overlapping crises of climate change, mass species extinction, and an unsustainable global food system are on a collision course towards what might best be called an ecological land grab.

State sets goal for limiting drinking water pollutant

The California Environmental Protection Agency has issued the nation's first public health goal for hexavalent chromium, the cancer-causing heavy metal made infamous after activist Erin Brockovich sued in 1993 over contaminated ...

Indonesia returning hundreds of containers of waste to West

Indonesia is sending back hundreds of containers of contaminated waste to the West after shipments supposedly containing plastic meant for recycling were found to hide hazardous substances, customs officials said.

Sniffing out terrorists

A new intelligent system has been developed to help identify terrorists carrying explosives. Sensitive electronic noses capture the smell of the explosives; the system processes the acquired data, correlates it with individuals' ...

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