Graphs from the “Climate Change and Land 2019” report by the IPCC, showing changes relative to 1961 of greenhouse gas (GHG) emissions, world agricultural production, food demand, and desertification and land degradation. Graphic: IPCC

World food security increasingly at risk due to “unprecedented” climate change impact, new UN report warns

8 August 2019 (UN News) – More than 500 million people today live in areas affected by erosion linked to climate change, the UN warned on Thursday, before urging all countries to commit to sustainable land use to help limit greenhouse gas emissions before it is too late. Speaking at the launch of a Special […]

Satellite view showing more than 5 million km² of Siberia covered by smoke from wildfires, 11 August 2019. For comparison, the area of EU is about 4.5 million km², and the area of contiguous U.S. about 8.1 million km². Satellite image: MODIS / Terra. Graphic: Antti Lipponen

Image of the Day: Satellite view of 5 million km² of Siberia covered by smoke from wildfires, 11 August 2019

11 August 2019 (Twitter) – This satellite view shows more than 5 million km² of Siberia covered by smoke from wildfires on 11 August 2019. For comparison, the area of the EU is about 4.5 million km², and the area of contiguous U.S. about 8.1 million km². Satellite image: MODIS / Terra. Graphic: Antti Lipponen […]

Annual increase in global average sea from 1900 to present. The blue line shows data from the tide gauges, while the red is from satellite altimetry. Graphic: Carbon Brief

Global sea level rise began accelerating “30 years earlier” than previously thought

By Ayesha Tandon 5 August 2019 (CarbonBrief) – Global sea level rise began to accelerate in the 1960s, 30 years earlier than suggested by previous assessments, a new study finds. The study, published in Nature Climate Change, introduces a new technique to more accurately determine historical global sea levels by combining two different statistical approaches. […]

A thermometer show the temperature of over 40 degrees at the Volklingen Ironworks in Volklingen, Germany on 24 July 2019. Photo: Harald Tittel / AFP / Getty Images

AccuWeather misleads on global warming and heat waves, a throwback to its past climate denial

By Jason Samenow and Andrew Freedman 9 August 2019 (The Washington Post) – A week after a punishing heat wave torched the eastern two-thirds of the country, setting numerous records, AccuWeather chief executive Joel Myers cast doubt on the scientific finding that heat waves in the United States and elsewhere are worsening because of climate change. […]

Temperature field over Europe on 25 July 2019 12 UTC at 850 hPa (colors) together with 500 hPa (isolines) as obtained from ECMWF analyses. Graphic: ECMWF

European heatwave made up to 100 times more likely due to global warming – “The July 2019 heatwave was so extreme over Europe that the observed magnitudes would have been extremely unlikely without climate change”

2 August 2019 (University of Oxford) – Record-breaking July 2019 heatwave would have been extremely unlikely without human-induced climate change in many parts of continental Europe, shows a near real-time analysis from World Weather Attribution and partners including Oxford’s Environmental Change Institute (ECI). Over two to four days at the end of July 2019, Western […]

Animation showing the concentration of black carbon particulates — commonly called soot — around the Arctic from 1 July 2019 to 29 July 2019. Graphic: Lauren Dauphin / NASA Earth Observatory

Arctic fires fill Northern Hemisphere skies with soot

By Kasha Patel 1 August 2019 (NASA) – In June and July 2019, more than 100 long-lived and intense wildfires blazed within the Arctic Circle. Most of them burned in Alaska and Siberia, though a few raged even in Greenland. As these fires lofted thick plumes of smoke into the skies, they also launched megatons of tiny, harmful particles into the […]

Photo showing black skies over the sub-Arctic Verkhoyansk district in the north of Yakutia, Russia, 9 August 2019. The darkness is caused by unusually think cloud formation driven by carbon monoxide from the enormous forest fires in the south of Yakutia. Photo: The Siberian Times

Black skies over Siberia: Sun disappears behind thick clouds in bizarre repeat of 2018 blackout – Giant sub-Arctic wildfires spewing enormous amounts of carbon monoxide

9 August 2019 (The Siberian Times) – Residents of sub-Arctic Verkhoyansk district of Yakutia woke up in complete darkness. There was no trace of light until after 8am local time over the Verkhoyansk district in the north of Yakutia. Almost exactly a year ago – in July 2018 – there was another pitch black morning […]

Satellite views of the Okjökull glacier in Iceland in 1986 and 2019. Data: Landsat / U.S. Geological Survey. Photo: Joshua Stevens / NASA Earth Observatory

Okjökull glacier remembered

By Kathryn Hansen 9 August 2019 (NASA) – On 18 August 2019, scientists will be among those who gather for a memorial atop Ok volcano in west-central Iceland. The deceased being remembered is Okjökull—a once-iconic glacier that has melted away throughout the 20th century and was declared dead in 2014. A geological map from 1901 estimated Okjökull […]

The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured an image of thick wildfire smoke swirling over the state on 8 July 2019. Meteorologists in Fairbanks reported visibility had dropped to less than one mile due to smoke, and air quality sensors in the city reported skyrocketing levels of particulates in the air. Photo: NASA Earth Observatory

Baked Alaska: State endures warmest month on record in July 2019

By Christopher C. Burt 9 August 2019 (Weather Underground) – July 2019 was the warmest month on record for the state of Alaska, smashing the previous record by almost one full degree Fahrenheit and leaving numerous local records for hottest day and warmest month in the superheated dust. Records for statewide average temperatures date back […]

Land surface temperature over Europe, 25 July 2019, measured by the Copernicus Sentinel3 satellite. Graphic: ESA

WMO: July 2019 equaled or surpassed hottest month globally – World is on track for the 2015-2019 period “to be the five hottest years on record”

1 August 2019 (WMO) – According to the new data from the World Meteorological Organization and Copernicus Climate Change Programme, July 2019 at least equalled, if not surpassed, the hottest month in recorded history. This follows the warmest ever June on record. The data from the Copernicus Climate Change Programme, run by the European Centre […]

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