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Editor’s note: The following is a roundup of archival stories. Every year on March 22, the United Nations observes World Water Day to highlight the global water crisis. This year the focus is on reducing...

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There are a number of available low-carbon technologies to generate electricity. But are they really better than fossil fuels and nuclear power? To answer that question, one needs to compare not just...

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The electric grid is an amazing integrated system of machines spanning an entire continent. The National Academy of Engineering has called it one of the greatest engineering achievements of the 20th century....

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Pet food is an industry worth nearly US$25 billion in the United States. Owners make decisions about what to feed their pets based on marketing, personal beliefs and pet preference. And as with human...

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For the second time in a row, America’s infrastructure has earned a grade of D+ from the American Society of Civil Engineers. ASCE issues these report cards every four years, grading the state of U.S....

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President Trump is expected to issue an executive order soon to reverse Obama-era rules to cut carbon pollution, including a moratorium on leasing public lands for coal mining and a plan to reduce carbon...

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The Trump administration intends to roll back two pillars of the Obama administration’s climate policy – regulations to limit carbon emissions from vehicles and power plants. Under President Obama,...

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Six years have passed since the Fukushima nuclear disaster on March 11, 2011, but Japan is still dealing with its impacts. Decommissioning the damaged Fukushima Daiichi nuclear plant poses unprecedented...

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For decades, American agriculture has been a paragon of productivity, churning out record crops at a steady clip. We have exported both our farm products and our way of farming around the world, and global...

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Famine killed nearly 75 million people in the 20th century, but had virtually disappeared in recent decades. Now, suddenly, it is back. In late February a famine was declared in South Sudan, and warnings...