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Tropical forests globally are being lost at a rate of 61,000 square miles a year. And despite conservation efforts, the global rate of loss is accelerating. In 2016 it reached a 15-year high, with 114,000 square miles cleared.
At the same time, many countries are pledging to restore large swaths of forests. The Bonn Challenge, a global initiative launched in 2011, calls for national commitments to restore 580,000 square miles of the world's deforested and degraded land by 2020. In 2014 the New York Declaration on Forests increased this goal to 1.35 million square miles, an area about twice the size of Alaska, by 2030.
By James David Adams
Medical marijuana is legal in 33 states as of November 2018. Yet the federal government still insists marijuana has no legal use and is easy to abuse. In the meantime, medical marijuana dispensaries have an increasing array of products available for pain, anxiety, sex and more.
The glass counters and their jars of products in the dispensary resemble an 18th century pharmacy. Many strains for sale have evocative and magical names like Blue Dream, Bubba Kush and Chocolope. But what does it all mean? Are there really differences in the medical qualities of the various strains? Or, are the different strains with the fanciful names all just advertising gimmicks?
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Underwater Mudslides Are the Biggest Threat to Offshore Drilling, and Energy Companies Aren’t Ready for Them
By Ian MacDonald
Like generals planning for the last war, oil company managers and government inspectors tend to believe that because they survived the 2010 BP Deepwater Horizon oil spill, they are ready for all contingencies. Today they are expanding drilling into deeper and deeper waters, and the Trump administration is opening more offshore areas to production.
In fact, however, the worst-case scenario for an oil spill catastrophe is not losing control of a single well, as occurred in the BP disaster. Much more damage would be done if one or more of the thousand or so production platforms that now blanket the Gulf of Mexico were destroyed without warning by a deep-sea mudslide.
By Robert M. Thorson
When Americans quote writer and naturalist Henry David Thoreau, they often reach for his assertion that "In Wildness is the preservation of the world." This phrase elicited little response when Thoreau first read it during a lecture in 1851. A century later, however, it had become a guiding mantra for the American environmental movement, adopted by the Sierra Club as its motto and launched into the cultural stratosphere via bumper stickers, T-shirts and posters.
By Venkat Viswanathan and Shashank Sripad
Electric vehicles — specifically, the Tesla Model 3 — are dominating the U.S. market for premium sedans, but are barely even on the radar in the busiest automotive category, which includes SUVs and pickup trucks.
The immediate reason is economics, but it has a lot to do with physics as well: Larger, heavier, less aerodynamic electric vehicles need larger, heavier, more expensive batteries to power them. Our research has looked at the energy needed to move cars and trucks along the road, and has identified the important factors that affect power usage.
By Steve Calandrillo
In my research on daylight saving time, I have found that Americans don't like it when Congress messes with their clocks.
In an effort to avoid the biannual clock switch in spring and fall, some well-intended critics of DST have made the mistake of suggesting that the abolition of DST – and a return to permanent standard time – would benefit society. In other words, the U.S. would never "spring forward" or "fall back."
By Cristina Sanza, Brittney Borowiec, David Secko, Farah Qaiser, Fernanda de Araujo Ferreira, Heather MacGregor , Michael Bramadat-Willcock and Pouria Nazemi
Eat blueberries for the antioxidants. Exercise daily at a moderate intensity for optimal heart health. Get the vaccine to prevent the disease.
Our decision-making and conduct is influenced by what we read, see or hear. And many parts of our lives, from the food we eat to our quality of sleep, can in some way be linked back to scientific research.
By Alan Poole
A hundred years ago, a person wandering the back roads of coastal New England might have come across an odd sight: at the edge of a farmyard, cheek by jowl with pigs and chickens and cows, a tall pole topped with a massive stick nest. And standing guard in the nest, a large brown-backed, white-headed wild bird of prey — an osprey (Pandion haliaetus).
Farmers in this region knew that nesting ospreys were vigilant watchdogs, quick to chase "chicken-hawks" and other predators away. But as fish eaters, ospreys were no threat to farm animals. And they were trusting enough to live comfortably near humans. So farmers lured them by building them places to nest — generally, an old wagon wheel atop a bare pole, mimicking the dead trees in which ospreys had nested for millennia.
By John Rennie Short
As cities strive to improve the quality of life for their residents, many are working to promote walking and biking. Such policies make sense, since they can, in the long run, lead to less traffic, cleaner air and healthier people. But the results aren't all positive, especially in the short to medium term.