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.
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Environment + Energy – Articles, Analysis, Opinion
Displaying 1876 - 1900 of 2389 articles
No energy source is perfect, but solar and wind have a much lower health and environmental footprint than fossil fuels, a study finds. Biopower, though, is a mixed bag.
Trump has pledged to invest big in infrastructure. An analysis shows the electric grid will need hundreds of billions of dollars over the next decade just to keep things as they are.
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.
EPA Administrator Scott Pruitt has said the agency’s purview should not include climate change, but a look at its history under both Republican and Democratic presidents says otherwise.
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.
Talk of adapting to climate change is less polarizing to conservatives than the idea of slashing emissions.
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.
President Trump signed an executive order to roll back the 2015 Clean Water Rule. Two water experts explain why the rule alarms farmers and ranchers concerned about over-regulation.
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.
Today’s political climate gives new EPA head Scott Pruitt a clear path to seriously cut back EPA enforcement – more than previous administrations.
With little action at the national level on climate change, state and city officials are taking the lead – but by emphasizing local benefits.
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.
A new federalism? Trump’s decision to green-light the Dakota Access Pipeline and early battles with states show a disregard for the sovereignty of domestic government bodies.
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.
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.
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.
Scientists are concerned that politics will trump evidence in the new administration. A researcher of political psychology explains why these worries matter far beyond questions of science.