Graph of the Day: School shootings in the United States, 1990 – Oct 2015

2 October 2015 (Desdemona Despair) – In early 21st-century America, death by random gun violence has become a background dread, a bit like fear of nuclear annihilation during the Cold War. U.S. schools have modern “duck-and-cover” training for kids in the form of active shooter drills. Most Americans probably think that school shootings are getting […]

Status of polar bear populations for 2014

24 January 2015 (Polar Bear Specialist Group) – The present table was discussed during late fall and early winter 2014, and agreed upon by the group on 20 January 2015. This status table will be updated whenever there is new information available that is considered credible and valid by the group. This year’s status table […]

Carbon footprint of Burning Man: 27,000 tons of CO2 per year

By Katie Herzog 21 August 2015 (Grist) – Get ready, folks! The most magical time of year is almost upon us. That’s right: Burning Man. Lest you mistake me for a tech billionaire with a penchant for fuzzy boots, hula hoops, group showers, and dudes named Dusty Unicorn — au contraire. The reason I love […]

Graph of the Day: World arable land per capita, 1961-2012

3 July 2015 (Desdemona Despair) – Will world agriculture be able to support a human population of 12 billion people in the year 2100? The answer largely turns on how much land is available for growing crops. Unfortunately, the world’s arable land area is declining at an enormous rate. The UN Convention to Combat Desertification […]

Graph of the Day: Carbon emissions and human population, 1751-2013

13 June 2015 (Desdemona Despair) – Data show that growth of human carbon emissions in the modern era is pretty close to exponential (cf. “Graph of the Day: Global carbon emissions from fossil fuels, 1751-2013”). But what about carbon emissions per person? The Carbon Dioxide Information Analysis Center (CDIAC) maintains a database of fossil-fuel CO2 […]

The deadly combination of heat and humidity

By Robert Kopp, Jonathan Buzan, and Matthew Huber 6 June 2015 (The New York Times) – The most deadly weather-related disasters aren’t necessarily caused by floods, droughts or hurricanes. They can be caused by heat waves, like the sweltering blanket that’s taken over 2,500 lives in India in recent weeks. Temperatures broke 118 degrees in parts […]

Graph of the Day: Oyster harvests in the Chesapeake Bay, 1880-2008

July 2010 (Chesapeake Bay Foundation) – Oyster harvests tumbled by two-thirds between the 1890s and 1930, but then remained relatively stable at a lower level until the 1950s. Then a pair of diseases hit. MSX and Dermo are both caused by parasites that attack and frequently kill oysters, although they are harmless to people. Compounded […]

Graph of the Day: Worldwide population estimates of large-carnivore species

10 January 2014 (Science) – Worldwide population estimates of large-carnivore species. Error bars represent the low and high range of the estimates when available. Population estimates were not available for all species. Species ranges vary widely, and range sizes can have a strong influence on species population levels (table S1). Sources: Gray wolf (90), all […]

Denmark defends whale and dolphin slaughter in Faroe Islands – 1,085 dolphins killed since 21 July 2013

[Keep in mind that Japan still poaches dolphins at Taiji and whales in the Southern Ocean Whale Sanctuary; Iceland and Norway continue to poach whales in the Atlantic.] By Erwin Vermeulen 28 August 2013 (SSCS) – On 27 August 2013, around 2pm local time, another 51 Pilot whales were butchered in the Ferocious Isles. This time […]

Graph of the Day: Deforestation in non-Brazilian Amazon countries, 2004-2012

By Rhett A. Butler 26 June 2013 (Mongabay) – Peru had the largest extent of forest loss in 2012, losing 48,000 hectares, an increase of 15,431 ha or 47 percent over 2011. Venezuela (11,606 ha), Colombia (10,069 ha), Bolivia (6,975 ha), Suriname (6,569 ha), Guyana (3,713 ha), Ecuador (1,663 ha), and French Guyana (1,338 ha) […]

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