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Category Archives: Uncategorized
2013 Marked the Thirty-seventh Consecutive Year of Above-Average Temperature
By Janet Larsen Last year was the thirty-seventh consecutive year of above-normal global temperature. According to data from NASA, the global temperature in 2013 averaged 58.3 degrees Fahrenheit (14.6 degrees Celsius), roughly a degree warmer than the twentieth-century average. Since … Continue reading
Posted in Uncategorized
Tagged carbon emissions, el nino, extreme weather, global temperautre
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Arctic Sea Ice Freefall is Mirror Image of Carbon Dioxide Ascent
By Emily E. Adams The amount of Arctic sea ice has plummeted in recent decades—a bold manifestation of the rise in temperature resulting from the rapid increase in carbon dioxide (CO2) in the atmosphere. After staying below 300 parts per … Continue reading
Posted in Uncategorized
Tagged Arctic, carbon dioxide, emissions, global temperature, sea ice
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Peak Water and Food Scarcity
By Lester R. Brown At the international level, water conflicts among countries dominate the headlines. But within countries it is the competition for water between cities and farms that preoccupies political leaders. Neither economics nor politics favors farmers. They almost … Continue reading
Many Countries Reaching Diminishing Returns in Fertilizer Use
By Lester R. Brown When German chemist Justus von Liebig demonstrated in 1847 that the major nutrients that plants removed from the soil could be applied in mineral form, he set the stage for the development of the fertilizer industry … Continue reading
As Sea Ice Shrinks, Arctic Shipping Options Expand
By Janet Larsen and Emily E. Adams On October 7, 2013, the Nordic Orion bulk carrier ship completed its journey from Vancouver, Canada, to Pori, Finland, having traveled northward around Alaska and through the Northwest Passage. It was the first … Continue reading
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Tagged Arctic, arctic sea ice, coal, fossil fuels, ice melt, Northwest Passage
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Less Than 3 Percent of Oceans in Marine Parks Despite Recent Growth
By J. Matthew Roney In May 1975, rising concerns about overfishing and deteriorating ocean health prompted scientists and officials from 33 countries to meet in Tokyo for the first global conference on marine parks and reserves. Noting the need for … Continue reading
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Tagged fishstock, marine life, marine protected areas, oceans
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India’s Dangerous ‘Food Bubble’
By Lester R. Brown India is now the world’s third-largest grain producer after China and the United States. The adoption of higher-yielding crop varieties and the spread of irrigation have led to this remarkable tripling of output since the early … Continue reading
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Tagged food bubble, food security, foodless days, India, overpumping
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Moving Up the Food Chain
By Lester R. Brown For most of the time that human beings have walked the earth, we lived as hunter-gatherers. The share of the human diet that came from hunting versus gathering varied with geographic location, hunting skills, and the … Continue reading
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Tagged food chain, food security, meat consumption, overfishing, rangelands
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Climate Change Driving Weather off the Charts
By Janet Larsen Meteorologists are calling the typhoon that slammed into the Philippines with 195-mile-an-hour winds on November 8, 2013, the most powerful tropical storm to make landfall on record. Super Typhoon Haiyan had gusts reaching 235 miles per hour … Continue reading
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Tagged climate change, global temperature, greenhouse gases, Haiyan, typhoon
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China and the Soybean Challenge
By Lester R. Brown Some 3,000 years ago, farmers in eastern China domesticated the soybean. In 1765, the first soybeans arrived in North America, but they did not soon catch on as a crop. For 150 years or so the … Continue reading