Rail advocates often make the case that trains are a cleaner mode of transportation, but why is that so? And what would…
A climatologist who studies precipitation trends explains how climate change is projected to make flooding events in the…
The FDA has given the green light to sell the first genetically engineered animal – farmed salmon –in the US.
What is proof? In both law and science, it's basically a consensus of experts – but they work at very different speeds.…
Unless it sparks joy, go ahead and scratch this task off your spring-cleaning checklist.
The 'used water' that flows from our showers, dishwashers and toilets isn't a waste to engineers – it contains…
Many nations are restoring degraded tropical forests to slow climate change, protect endangered species and improve rural…
Even before the British billionaire invested US$1 billion in making the region 'climate-smart,' Jamaica, Barbados…
Many communities are banning single-use plastic shopping bags to reduce pollution, but a study in California shows that…
What raises a common winter storm to the level of 'bomb cyclone'? It's all about rapid, sharp changes in atmospheric…
Adding industrial chemicals and natural alkaline minerals could slow climate change, but like other geoengineering proposals,…
China, which once processed much of the world's scrap, has slashed imports of "foreign garbage." What can…
Oil spills can do great damage to the ocean. What happens if they last for years? A 14-year spill in the Gulf of Mexico…
Since 2008, Landsat data has been free for the world to use, spurring new applications and scientific research. But that…
Many people associate Henry David Thoreau with solitude in the outdoors. But Thoreau understood in the mid-1800s that there…
Military veterans have concerns about climate change at about the same level as nonveterans, a recent study suggests. What…
These youngsters have ample fervor, and they are dramatically photogenic. Dismissing them as being fake or lightweight can…
Washington, California and Florida are mulling a permanent switch to DST. Proponents say that doing so could improve health,…
EPA is moving to regulate two chemicals from a group called PFAS that are contaminating drinking water. A public health…
Natural gas supplies are growing, but so are other markets for it besides power generation.