Environmental News Network

  • Which Form of Energy is the Cheapest?
    Which kind of power is the cheapest? Listen to energy companies, and they'll insist that traditional forms like gas and coal are the way to go. Of course, they have money invested in keeping the existing systems in business. That's why the European Union commissioned an independent analysis to study the topic. According to the report, wind energy is the most cost-efficient way to supply power. When proponents of non-renewable energy point to costs, they intentionally overlook the overall economic impact that polluting causes. Once experts start to calculate the costs associated with public health and climate change that coincide with burning coal and gas, the true cost is far higher than initially reported. It's both irresponsible and shortsighted to ignore these environmental and health consequences from the equation.
  • Abundant natural gas will not slow climate change according to new study
    A new analysis of global energy use, economics and the climate shows that without new climate policies, expanding the current bounty of inexpensive natural gas alone would not slow the growth of global greenhouse gas emissions worldwide over the long term, according to a study appearing today in Nature Advanced Online Publication. Because natural gas emits half the carbon dioxide of coal, many people hoped the recent natural gas boom could help slow climate change — and according to government analyses, natural gas did contribute partially to a decline in U.S. carbon dioxide emissions between 2007 and 2012.
  • Can renewables supply 100% of world's power by 2050?
    A global low-carbon energy economy is not only feasible - it could actually double electricity supply by 2050, while also reducing air and water pollution, according to new research. Even though photovoltaic power requires up to 40 times more copper than conventional power plants, and wind power uses up to 14 times more iron, the world wins on a switch to low-carbon energy. These positive findings are published in the Proceedings of the National Academy of Sciences by Edgar Hertwich and Thomas Gibon, of the Norwegian University of Science and Technology Department of Energy and Process Engineering.
  • Mom was right, eating breakfast is important!
    According to the Centers for Disease Control and Prevention (CDC), many teens skip breakfast, which increases their likelihood of overeating and eventual weight gain. Statistics show that the number of adolescents struggling with obesity, which elevates the risk for chronic health problems, has quadrupled in the past three decades. Now, MU researchers have found that eating breakfast, particularly meals rich in protein, increases young adults' levels of a brain chemical associated with feelings of reward, which may reduce food cravings and overeating later in the day. Understanding the brain chemical and its role in food cravings could lead to improvements in obesity prevention and treatment.
  • Could California Be Facing A Mega-Drought?
    Agriculture, one of California’s strongest pillars, has taken the biggest hit: the drought will cost at least $2.2 billion in agricultural losses this year alone. Fields of dead almond trees and dried-out crops are a common sight in central California these days. Central Valley towns are also growing desperate. Many have been forced to install porta-potties in their backyards or even steal water from fire hydrants.
  • How Birds Cope with Turbulence
    Researchers set out to examine how soaring birds such as eagles, vultures, and kites, are able to fly in 'gusty' turbulent flight conditions that would keep a light aircraft grounded. They gave a captive steppe eagle (Aquila nipalensis), called 'Cossack', its own flight recorder backpack – a 75g black box incorporating GPS that also measured acceleration, rotation rate, and airspeed – and recorded it soaring over the Brecon Beacons in Wales.
  • Methane sink discovered in oceanic rock
    Since the first undersea methane seep was discovered 30 years ago, scientists have meticulously analyzed and measured how microbes in the seafloor sediments consume the greenhouse gas methane as part of understanding how the Earth works. The sediment-based microbes form an important methane "sink," preventing much of the chemical from reaching the atmosphere and contributing to greenhouse gas accumulation. As a byproduct of this process, the microbes create a type of rock known as authigenic carbonate, which while interesting to scientists was not thought to be involved in the processing of methane.
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