Scatterplot showing key bumblebee flight performance indicator of endurance, distance flown in meters (A) for both the control (red circle) and pesticide‐treated (blue triangle) groups. Graphic: Kenna, et al., 2019 / Ecology and Evolution

Pesticide exposure causes bumblebee flight to fall short – “The negative effects of pesticide exposure on flight endurance have the potential to reduce the area that colonies can forage for food”

By Hayley Dunning 30 April 2019 (Imperial College London) – Bees exposed to a neonicotinoid pesticide fly only a third of the distance that unexposed bees are able to achieve. Flight behaviour is crucial for determining how bees forage, so reduced flight performance from pesticide exposure could lead to colonies going hungry and pollination services […]

Remote sensing imagery of discolored water and algal blooms in the Florida Bay and the Florida Keys region between 1992 and 2013 showing connectivity of the mainland and the lower Florida Keys, all outlined in red. (a) Landsat true color image on 29 May 1992 shows turbid water in western Florida Bay and discolored, black water in central Florida Bay that extends southward to the lower Florida Keys; (b) AVHRR reflectance image on 12 March 1996 shows high turbidity from the Shark River Slough plume extending beyond the lower Florida Keys towards Dry Tortugas; (c, d) VIIRS chlorophyll a anomaly images show phytoplankton blooms off Shark River Slough reaching the lower Florida Keys that were partially composed of the cyanobacterium, Synechococcus, on (c) 24 November 2013 and (d) 27 January 2014. Graphic: Lapointe, et al., 2019 / Marine Biology

Nutrient loading lowers resistance to thermal stress in Florida Keys corals – “These data make clear that this is not an ‘either temperature or nutrients’ situation, but rather a ‘both/and’ combination of multiple stressors”

By Gisele Galoustian 15 July 2019 (FAU) – Coral reefs are considered one of the most threatened ecosystems on the planet and are dying at alarming rates around the world. Scientists attribute coral bleaching and ultimately massive coral death to a number of environmental stressors, in particular, warming water temperatures due to climate change. A […]

A woman walks past a window reflecting a thermometer showing a temperature of 41 degrees Celsius on 25 July 2019, in Paris, as a new heatwave hits the French capital. Photo: Dominique Faget / AFP / Getty Images

All-time heat records melt in Europe – Paris warmer than Singapore at 42.6°C (108.7°F) – National records broken on Wednesday fell again on Thursday – “‘If you’d have said five years ago we’d see temperature records fall this frequently, I wouldn’t have believed you”

By William Wilkes and Megan Durisin 24 July 2019 (Bloomberg) – Europe’s latest summer heatwave broke heat records just weeks after the continent had its hottest ever June, fueling concern that a shifting climate is triggering more extreme weather. Germany probably set a new all-time temperature record of 42.6 degrees Celsius (108.7 Fahrenheit) in the […]

Difference between future and current climate for London and an example of a similar current counterpart, Barcelona. Graphic: Bastin, et al., 2019 / PLOS ONE

By 2050, many cities will have weather like they’ve never seen – “The fate of major tropical cities remains uncertain as many will experience unprecedented climate conditions”

By Stephen Leahy 10 July 2019 (National Geographic) – Climate forecast for 2050: New York City winters will have the weather of today’s Virginia Beach, damp and cold London will be hot and dry like Barcelona, wet Seattle will be like drier San Francisco, and Washington D.C. will be more like today’s Nashville but with […]

An early morning rower glides through the glare of the rising sun on the Potomac River on Saturday, 20 July 2019. The Potomac River, which flows through the U.S. capital Washington, D.C., hit a record high temperature of 94 degrees Fahrenheit (34 degrees Celsius) over the weekend following a major heat wave. Photo: J. David Ake / AP

Potomac River hits record high temperature of 34°C (94°F) after weeks of relentless heat

24 July 2019 (AFP) – The Potomac River, which flows through the US capital Washington, hit a record high temperature of 94 degrees Fahrenheit (34 degrees Celsius) over the weekend—as warm as bathwater—following a major heat wave. The previous highs came in the summers of 2011 and 2012, though record keeping began only in 2007. […]

Forecast high-temperature departures from average for the European heat wave through Saturday, 27 July 2019. Areas in darker red and pink contours are expected to see temperatures the most above average each day. Graphic: The Weather Channel

Another Europe heat wave shatters all-time records in Belgium and the Netherlands with more records possible

By Jonathan Erdman 24 July 2019 (The Weather Channel) – Another Europe heat wave is building that may shatter the all-time record in Paris and set national records in at least three countries as it spreads into Scandinavia. On Wednesday, all-time record highs were broken in Belgium and the Netherlands when temperatures reached 102.3 degrees and 101.8 […]

Age-specific death rates for persons aged 25–44, by Hispanic origin and race, United States, 2000–2017. Graphic: Curtin and Arias, 2019 / CDC

Death rates increasing for U.S. adults aged 25 to 44: CDC report

24 July 2019 (ABC News) – Death rates are on the rise for young and middle-aged U.S. adults, with white and black people experiencing higher mortality than Hispanic people, according to new research from the Centers for Disease Control and Prevention (CDC) published Tuesday. Between 2012 and 2017, the rates for white and black people […]

Stability diagram of the West Antarctic Ice Sheet (WAIS), rate R versus duration T of mass addition with unstable regime in red and stable regime in blue. Interpolation of the field is based on the conducted ensemble of stabilization experiments (gray circles). The critical threshold Rc (white curve) of stabilization is approximated by function given at the top right corner. White stars highlight simulations that share the same total amount of deposited mass (M = 8000 Gt), added at differing rate and duration, showing that the combination of both determines potential stabilization. Graphic: Feldmann, et al., 2019 / Science Advances

Adding 8 trillion tons of artificial snow to the West Antarctic Ice Sheet could stop it from collapsing – “The fundamental trade-off is whether we as humanity want to sacrifice Antarctica to save the currently inhabited coastal regions”

By Katherine J. Wu 17 July 2019 (PBS) – Gird your loins, humans: The time has come to turn part of the South Pole into our own giant snow globe. Or has it? In a study published today in the journal Science Advances, a team of German researchers suggests that dumping 8 trillion tons of artificial snow onto […]

Radar estimates of rainfall in Arkansas from Tropical Depression Barry, 16 July 2019. Arkansas is now the fifth state to post a new tropical storm or hurricane rainfall record since 2017, joining Texas, Hawaii, North Carolina, and South Carolina. These exceptional rainstorms keep happening and appear to be part of a trend toward more extreme events connected to climate change. Graphic: WeatherMatrix

Tropical Depression Barry’s 14.58” of rain in Arkansas breaks all-time state record – Arkansas becomes fifth U.S. state to set tropical storm rainfall record in past two years

By Dr. Jeff Masters 17 July 2019 (Weather Underground) – Rainfall from Tropical Depression Barry deluged southwest Arkansas over the past three days, with the 14.58” that fell at Murfreesboro on July 14 – 16 breaking the all-time state record for precipitation from a tropical cyclone. Barry’s heavy rains that fell over southwest Arkansas inundated multiple highways, including […]

Temperature forecast for Europe, 25 July 2019. Graphic: Wetterzentrale

Germany braces for fourth heatwave of summer – “That is not normal anymore. It’s everything other than normal.”

22 July 2019 (The Local) – Temperatures could exceed 38C in some parts of the Bundesrepublik this week during a record fourth summer heat wave. On Thursday temperatures around Germany will spike to up 38C – reigning in the fourth heat wave of the summer. Due to climate change, says Latif, there is double the […]

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