Changes in Amazon vegetation resilience since the 1990s and from 2003. (a) A map of the Kendall τ values of individual grid cells from 2003. (b) Histogram of the Kendall τ values for the Amazon rainforest, considering data from 2003 onwards. Of the grid cells, 76.2 percent have a positive Kendall τ value from 2003 onwards and 77.8 percent have this for the full time series. (c) Mean Vegetation Optical Depth (VOD) AR(1) time series (solid line) along with ±1 s.d. (dotted lines) created from grid cells that have BL fraction ≥80 percent in the Amazon basin and also contain no human land use (main text and Methods). The full AR(1) time series from 1991 (grey) has a Kendall τ value of 0.589 (P = 0.006) and from 2003 (black), a value of 0.913 (P 

The Amazon Rainforest is approaching a tipping point beyond which it would become savannah – “When it will be observable, it would likely be too late to stop it”

By Eric Shank 14 March 2022 (Salon) – A vast expanse of unique biological diversity hangs in the balance as the “lungs of the world” approach a tipping point from which there is no recovery. The Amazon Rainforest is losing its ability to regenerate, reported a peer-reviewed study, Monday, in Nature Climate Change. For 10% of all known species on […]

Cattle gather next to a column of fire in Santo Tome, Corrientes province, Argentina, on Sunday, 20 February 2022. Fires continue to ravage the Corrientes province that has burnt more than a half-million hectares. Photo: Rodrigo Abd / AP Photo

Wildfires ravage northern Argentina – “It never happened to us, we never lived something like this”

By Victor Caivano 21 February 2022 CORRIENTES, Argentina (AP) – Wildfires that have been ravaging northern Argentina for several weeks advanced relentlessly Sunday, although the light rains that began over the weekend gave some hope to firefighters. Corrientes province is the most affected area, where officials said at least eight separate fires continued to burn […]

Estimated economic impacts of unmitigated climate change on seven geographical regions in the United States. Over the next 50 years, climate change-induced economic losses in the U.S. could total approximately $14.5 trillion in present-value terms. Graphic: Deloitte

Climate change-induced losses in the U.S. could total $14.5 trillion by 2070 – “In a climate-damaged world of 2070, the U.S. could lose nearly 4 percent of GDP in that year alone”

By Rachel Koning Beals 26 January 2022 (MarketWatch) – Definitive and deliberate climate action from Wall Street to Washington and beyond could deliver a $3 trillion gain to the U.S. economy over the next 50 years to 2070. But it’s the toll of inaction that would cost the nation nearly five times that amount, a […]

Cumulative global insured losses by peril in 2021. Aggregated costs for insurers have been largely dominated by the Tropical Cyclone and Severe Weather perils this century. The two perils combined for more than $1 trillion, or 60 percent of the total cumulative industry losses, of which roughly 74 percent was incurred in the United States. The Severe Convective Storm peril has also increasingly separated itself as accounting for the highest number of billion-dollar events. Graphic: Aon

Aon: 2021 was third costliest year on record for weather and climate-related events – Germany, Belgium, Austria, Luxembourg, and China recorded the costliest insurance industry events on record

CHICAGO, 25 January 2022 (Aon) – Aon plc (NYSE: AON), a leading global professional services firm, today published its 2021 Weather, Climate and Catastrophe Insight, which evaluates the increasing frequency and severity of disruptive natural disasters and how their resulting economic losses are protected globally. This data serves as the foundation for insights that can help […]

Homes are engulfed by flames as the Marshall Fire spreads through Superior, Colorado on 30 December 2021. Photo: Sean David Van De Riet / Reuters

More than 40 percent of Americans live in counties hit by climate disasters in 2021 – “More people are living in more flammable landscapes. More people are going to be interfacing with disaster.”

By Sarah Kaplan and Andrew Ba Tran 5 January 2022 (The Washington Post) – 2021 ended as it began: with disaster. Twelve months after an atmospheric river deluged California, triggering mudslides in burned landscapes and leaving a half-million people without power, a late-season wildfire destroyed hundreds of homes in the suburbs of Denver. In between, Americans suffered blistering heat […]

Smoke fills the air over the suburb of Superior, Colorado, as a wind-driven wildfire forced evacuations on 30 December 2021. Photo: Trevor Hughes

“Life-threatening” wildfires driven by 100-mph winds force evacuation of thousands near Boulder, Colorado

By Trevor Hughes and Doyle Rice 30 December 2021 BOULDER, Colorado (USA TODAY) – Several grass fires near Boulder, Colorado, forced thousands of people to flee their homes Thursday, officials said, as high winds knocked down live power lines. The National Weather Service called it a “life-threatening” situation, as one gust of 110 mph was […]

Map showing global land and ocean surface temperature anomaly for June 2020. On 14 December 2021, WMO announced verification of the highest temperature ever recorded in the Arctic, 38C (100F). The high temperatures across Siberia led to massive sea ice loss and played a major role in 2020 being one of the three warmest years on record, the WMO said. Averaged as a whole, the global land and ocean surface temperature for June 2020 was 0.92°C (1.66°F) above the 20th century average of 15.5°C (59.9°F), tying with 2015 as the third highest June temperature departure from average in the 141-year record. June 2020 marked the 44th consecutive June and the 426th consecutive month with temperatures, at least nominally, above the 20th century average. Nine of the 10 warmest Junes have occurred since 2010; the seven warmest Junes have occurred in the last seven years (2014–2020). Graphic: NCEI

Arctic heat record is like Mediterranean, says WMO – “The record is clearly indicative of warming across Siberia”

14 December 2021 (BBC News) – The highest temperature ever recorded in the Arctic, 38C (100F), has been officially confirmed, sounding “alarm bells” over Earth’s changing climate. The World Meteorological Organization (WMO) on Tuesday verified the record, reported in the Siberian town of Verkhoyansk on 20 June last year. The temperature was 18C higher than […]

Map showing the near-surface air temperature differences from the 1981-2010 average for January to September 2021. Data are from the ERA5 reanalysis product. Graphic: C3S / ECMWF

State of the Climate in 2021: Past seven years are on track to be the seven warmest on record – “Extreme events are the new norm”

GENEVA, 31 October 2021 (WMO) – Record atmospheric greenhouse gas concentrations and associated accumulated heat have propelled the planet into uncharted territory, with far-reaching repercussions for current and future generations, according to the World Meteorological Organization (WMO). The past seven years are on track to be the seven warmest on record, according to the provisional WMO […]

Aerial view of Lake Oroville, seen through a thick haze of smoke from California wildfires, on 20 August 2021. Lake Oroville has a surface area of 15,000 acres but is facing the worst crisis in its 52-year history. Photo: Action News Now

California mega-drought reduces Lake Oroville reservoir to historically low level – Hydroelectric plant shuts down – “We’re in uncharted territory”

OROVILLE, California, 20 August 2021 (Action News Now) – The reach of the drought emergency has a shocking look at as Lake Oroville drains to dirt. With a surface area of just over 15,000 acres – Lake Oroville provides water and electricity and impacts the local economy as recreation is big on this lake. California’s […]

Smoke and flames from the Dixie fire are seen from Wolf Creek Road west of Greenville, California, 4 August 2021. Photo: InciWeb

Dixie Fire grows to second largest in California history – “We need to acknowledge, just straight up, these are climate-induced wildfires”

By Tim Stelloh 8 August 2021 (NBC News) – The Dixie Fire became the second largest wildfire in California history Sunday as thousands of residents remained under evacuation orders and more than 10,000 buildings stood in the blaze’s path. The fire, which began July 14 and leveled much of the historic Sierra Nevada town of Greenville […]

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