8 billion people: Four ways climate change and population growth combine to threaten public health, with global consequences

Absolute change in days of crop growth duration, 1981-2021, compared to a 1981-2010 baseline, globally and by WHO region. Maize, rice, soybean, spring wheat, and winter wheat are shown. Relative to 1981-2010, higher temperatures in 2021 shortened crop growth seasons globally by 9.3 days for maize, 1.7 days for rice and 6 days for winter and spring wheat, and heatwave days in 2020 were associated with 98 million more people reporting moderate to severe food insecurity. Graphic: The Lancet

November 13, 2022

8 billion people: Four ways climate change and population growth combine to threaten public health, with global consequences

By Maureen Lichtveld 10 November 2022 (The Conversation) – Will we have enough food for a growing global population? How will we take care of more people in the next pandemic? What will heat do to millions with hypertension? Will countries wage water wars because of increasing droughts? These risks all have three things in […]

Near-surface temperature differences relative to the 1981–2010 average for 2022 to September. The map shows the median anomaly calculated from six data sets: HadCRUT5, ERA5, JRA-55, GISTEMP, NOAAGlobalTemp, and Berkeley Earth. Graphic: WMO

November 7, 2022

State of the Global Climate 2022: Sea level rise accelerates, European glacier melt shatters records, extreme weather causes devastation – “What climate scientists have warned about for decades is upon us”

By Seth Borenstein 6 November 2022 SHARM EL-SHEIKH, Egypt (AP) – Earth’s warming weather and rising seas are getting worse and doing so faster than before, the World Meteorological Organization warned Sunday in a somber note as world leaders started gathering for international climate negotiations. [Eight warmest years on record witness upsurge in climate change impacts –Des] […]

Heat-related deaths in Maricopa County, Arizona, 2001-2022. The temperature hit 110F or higher on 22 days in 2022, yet it was only the 20th hottest summer on record, according to the National Weather Service (NWS). It did not drop below 80F on 75 percent of nights between June and August. Heat effects are cumulative, and the body cannot begin to recover until the temperature drops below 80F. Data: Maricopa County, office of vital registration and office of medical examiner, Arizona department of health services. Graphic: The Guardian

October 29, 2022

Summer 2022 was deadliest on record for heat-related mortality in Arizona’s biggest county – Maricopa County’s 359 heat-associated fatalities in 2022 outpace 339 deaths in 2021

By Anita Snow 25 October 2022 PHOENIX (AP) – This summer was the deadliest on record for heat-associated fatalities in Arizona’s largest county amid a growing wave of homelessness. Public health statistics this week confirmed a record 359 such deaths just days before the end of the six-month heat season. The jump in deaths raises questions about […]

Map showing population-weighted mean changes in extremely-high and very-high fire danger days in 2018-2021 compared with 2001-2004. Human exposure to days of very-high or extremely-high fire danger increased in 61% of countries from 2001-2004 to 2018-2021. Globally, people experienced an average of nine more days of very-high or extremely-high meteorological wildfire danger in 2018-2021 compared with 2001-2004, with 110 (61%) of 181 countries having an increase—a pattern caused by climate variation rather than demographic shifts. The yearly average wildfire exposure increased by 9.17 million person-days between 2003-2006 and 2018-2021. Increases were observed in 21 (64%) of 33 low HDI countries compared with 27 (42%) of 65 very high HDI countries, which could reflect differences in wildfire prevention and management. Graphic: Romanello, et al., 2022 / The Lancet

October 29, 2022

Over-dependence on fossil fuels risks the health of current and future generations – “Climate change is driving severe health impacts all around the world, while the persistent global fossil fuel dependence compounds these health harms amidst multiple global crises”

26 October 2022 (UCL) – The 2022 Report of the Lancet Countdown on Health and Climate Change, published today, has found that ongoing crises, such as the Covid-19 pandemic, conflict in Ukraine, and a global energy and cost of living crisis, have caused countries to become over reliant on fossil fuels – compounding climate change and its […]

A child in a refugee camp carries water in Somalia, 2022. Somalia faces widespread famine after four failed rainy seasons, with a fifth season underway that likely will fail too, along with the sixth early in 2023. Photo: Fazel / UNICEF

October 26, 2022

UNICEF: Heatwaves to impact almost every child on earth by 2050 – “The climate crisis is a child rights crisis, and it is already taking a devastating toll on children’s lives and futures”

25 October 2022 (UN News) – Heatwaves have become an unavoidable health hazard for many nations, but new data indicates that they are set to affect virtually every child on earth by 2050, the UN Children’s Fund, UNICEF, warned on Tuesday. Today, at least half a billion youngsters are already exposed to a high number of heatwaves, placing them on […]

Hubei’s Guanyin Pavilion during the July 2017 flood and the August 2022 drought. Photo: Getty Images

October 21, 2022

Climate change has come for the world’s largest greenhouse gas emitter – “There is nothing in world climatic history which is even minimally comparable to what is happening in China”

By Muizz Akhtar 29 September 2022 (Vox) – China just finished one of its most disastrous summers on record, with record-breaking heat, drought, and wildfires leading to water shortages even into the fall. More than 900 million people — or about 64 percent of China’s population — faced brutal heat waves alone, highlighting how much further the nation has to […]

Annual temperatures for Alaska, 1900-2018. Alaska’s ten coldest years on record (blue dots) all occurred before 1980. Meanwhile, nine of its ten warmest years on record have occurred since 1980. Data: NASA GISS and UAF / Brian Brettschneider. Graphic: Rick Thoman / Alaska Center for Climate Assessment and Policy

October 21, 2022

Warming waters causing mass die-off of Alaska snow crabs – Total numbers down 84 percent since 2018 – “The cold-water habitat they need was virtually absent, which suggests that temperature is really the key culprit in this population decline”

20 October 2022 (CBS News) – Climate change is a prime suspect in a mass die-off of Alaska’s snow crabs, experts say, after the state took the unprecedented step of canceling their harvest this season to save the species. According to an annual survey of the Bering Sea floor carried out by the National Oceanic and Atmospheric Administration, […]

Percent change in ice volume for Swiss glaciers, 2001-2022. Melt rates in 2022 far exceeded the previous records from the hot summer of 2003. Glaciers in Switzerland lost around 3 cubic kilometres of ice in 2022, more than 6 percent of the remaining volume. By way of comparison, up to now, years with an ice loss of 2 percent have been described as “extreme”. The loss was particularly dramatic for small glaciers. Graphic: M. Huss / Swiss Academy of Sciences

October 21, 2022

2022 heat wave drove unprecedented melt of Swiss glaciers – “2022 was a disastrous year for Swiss glaciers: all ice melt records were smashed by the great dearth of snow in winter and continuous heat waves in summer”

By Jamey Keaten 28 September 2022 GENEVA (AP) – Switzerland’s glaciers are melting like never before, an academic study released Wednesday found, with their ice volume declining by 6% this year amid rising concerns about global warming and a summer heat wave that swept across Europe. The Swiss Academy of Sciences reported that the shrinkage […]

A couple stands on what was an ancient packhorse bridge exposed by low water levels at Baitings Reservoir in Yorkshire as record high temperatures hit Ripponden, England, 12 August 2022. Widespread drought that dried up large parts of Europe, the United States and China this past summer was made 20 times more likely by climate change, according to a new study. Photo: Jon Super / AP Photo

October 9, 2022

Climate change made 2022 summer drought 20 times more likely – “The impacts are very clear to people and are hitting hard, not just in poor countries, like the flooding Pakistan, but also in some of the richest parts of the world, like western central Europe”

By Drew Costley 5 October 2022 (AP) – Drought that stretched across three continents this summer — drying out large parts of Europe, the United States, and China — was made 20 times more likely by climate change, according to a new study. Drought dried up major rivers, destroyed crops, sparked wildfire, threatened aquatic species, […]

Potential effect of high-temperature days on global life evaluations, 2021-2030. The estimated 17 percent drop in life evaluation by 2030 again does not take adaptability and recovery into account. However, this estimation is based on the increase in the number of high-heat days people will face globally by 2030, and is substantively meaningful. Graphic: Gallup

September 25, 2022

Rising global temperatures linked to declining wellbeing – “The analysis paints a bleak picture of the future”

By Benedicte Clouet and Nicole Willcoxon 31 August 2022 (Gallup) – As people around the world suffer through concurrent extreme heat waves, droughts, and wildfires, the effects of climate change are becoming a grim, global reality. Despite robust evidence of the environmental and economic costs of rising temperatures, far less is known about how these […]

Desdemona Despair

Category: heatwave