Developed and developing countries alike struggle with water quality problems. For World Water Day, a look at the challenges – and some potential solutions – to better treating wastewater.
Pet food is a multi-billion-dollar industry that consumes huge amounts of animal protein. A veterinary nutrition specialist explains how to feed dogs and cats healthily and sustainably.
Old and degraded infrastructure costs the United States money and puts lives at risk. A civil engineer describes some innovative ways to measure risks and prioritize repairs.
To weigh the economic impact of climate change policies, we need to estimate the social cost of carbon. An economist explains how it's done and why the Trump administration shouldn't end the practice.
Nuclear power was a cornerstone of Japan's energy strategy for decades, until the Fukushima disaster. The current government wants to keep some nuclear reactors open, but has lost public support.
According to widely-cited estimates, world food production must double by 2050 to keep up with population growth. New research challenges this target and calls for balancing growth with conservation.
At a time when poverty and hunger levels are declining around the world, famine is recurring, driven by conflicts and natural disasters. But timely action by governments and aid groups can save lives.
A researcher on sea level rise and climate change impacts reviews Kim Stanley Robinson's new novel, 'New York 2140,' which envisions the city's future in the face of extreme sea-level rise.
March Mammal Madness, a tournament of imaginary contests between pairs of mammals, makes science irreverent and fun. The event has thousands of fans and is used in hundreds of classrooms.
New research shows that exposure to fine particulate air pollution may double the risk of dementia in older women by increasing growth of beta-amyloid plaques in the brain.
Professional surfers have called for culling sharks to reduce the risk of attacks. A shark biologist explains why culling will not work and surfers should accept risk when they enter the water.
Talk of adapting to climate change is less polarizing to conservatives than the idea of slashing emissions.
Republicans in Congress are working to kill an Obama administration rule that broadens public input into federal land use planning. Hunters, fishermen, hikers and environmental groups are opposed.
The Galapagos Islands' giant tortoises are one of the world's best examples of evolution. Scientists are pioneering new conservation strategies to save them from extinction and restore their habitat.
More than an easement: A scholar of Native American law lays out the legal arguments in the Dakota Access Pipeline and why they matter to all of us.
Disaster preparations often focus on gear and logistics, but research in Japan after the 2011 earthquake and tsunami shows that strong social ties played a key role in helping communities rebound.
California has set ambitious goals for cutting carbon emissions and shifting to a clean energy economy. How will this strategy affect the state's huge economy? An economist weighs the evidence.
During bird irruptions, hundreds or thousands of a single species show up outside their normal territory. Most of what we know about irruptions comes from data collected by citizen scientists.
Less than four years after Detroit filed for bankruptcy, boosters say a revival is underway in the Motor City. But two scholars say new growth has not spread yet to neighborhoods that need it.
A century before the modern environmental era, experts realized that London's dirty air was corroding its new Parliament building. This insight led to some of the first air pollution laws.
An anthropologist of the American West argues that protecting nature and our cultural heritage are good for business but few recognize how they are threatened by 'jobs-creating' oil pipelines.
Two animal rights experts see little reason to cheer that a circus is closing, as long as humans keep eating meat and dairy products.
US farmers and agribusiness can help themselves by helping Africa to meet its rapidly growing food needs.
We may picture regulators tying businesses up in red tape, but research shows that many environmental regulators have collegial relationships with the companies they regulate.
Coastal indigenous peoples consume nearly four times more seafood per capita than the world average and have strong cultural ties to the sea. Global ocean policies should preserve these connections.
Two environmental policy experts offer a more politically palatable way to lower carbon emissions – based on consumption, not conventional regulation.
Infrared cameras are the technology of choice for detecting gas leaks across the US. New research shows that these cameras can be quite inaccurate, and leaks can persist without being detected.
A new US seafood import rule requires supplier countries to control accidental bycatch of whales, seals and other marine mammals – showing that global trade and conservation can reinforce each other.
Scholars of communications pick apart the rhetoric behind the 'war on coal' and explain why it ultimately benefits the coal industry.
One of the environmental legacies of the Obama administration is ocean reserves. Two ocean scientists explain why these are a critical but not sufficient piece of conservation.
A Native American scholar explains why so little has changed despite the apparent victory of protesters opposing the North Dakota Access Pipeline protest.