Global temperature anomalies relative to the 1880-1920 baseline, based on the GISS analysis. Graphic: Hansen, et al., 2024

Hansen: Comments on global warming acceleration, sulfur emissions, observations – “Acceleration of global warming is now hard to deny”

By James Hansen, Pushker Kharecha, and Makiko Sato 16 May 2024 (Columbia University) – Global temperature (12-month mean) is still rising at 1.56°C relative to 1880-1920 in the GISS analysis through April (Fig. 1). [Robert Rohde reports that it is 1.65°C relative to 1850-1900 in the BerkeleyEarth analysis.] Global temperature is likely to continue to […]

Daily global sea surface temperatures, 1981-2024. Data: Climate Reanalyzer, Climate Change Institute at the University of Maine, based on data from NOAA Optimum Interpolation Sea Surface Temperature (OISST) Data through 8 April 2024. Graphic: The New York Times

Ocean heat has shattered records for more than a year. What’s happening?

By Delger Erdenesanaa 10 April 2024 (The New York Times) – The ocean has now broken temperature records every day for more than a year. And so far, 2024 has continued 2023’s trend of beating previous records by wide margins. In fact, the whole planet has been hot for months, according to many different data […]

Top: Zonal-mean sea surface temperature (SST) (12-month running-mean) relative to 1951-1980 base period. Bottom: Zonal-mean surface temperature (12-month running-mean) relative to 1951-1980. Graphic: Hansen, Sato, and Kharecha, 2024

Global warming acceleration: hope vs. hopium – “The increase is not due to a brightening Sun, it is due to a darkening Earth”

By James Hansen, Makiko Sato, and Pushker Kharecha 29 March 2024 (Columbia University) – Accumulating evidence supports the interpretation in our Pipeline paper: decreasing human-made aerosols increased Earth’s energy imbalance and accelerated global warming in the past decade. Climate sensitivity and aerosol forcing, physically independent quantities, were tied together by United Nations IPCC climate assessments that rely […]

Earth energy imbalance, global net flux, 2001-2021. The 12-month EEI, Mar 2021-Feb 2022, set another record. The annual Earth’s Energy Imbalance was +1.52 W/m2, the energy equivalent to 1 million Hiroshima-sized atomic bombs every day. Data: NASA CERES. Graphic: Leon Simons

New NASA data show Earth heating at unprecedented rate – “Like 800,000 nuclear power plants of 1 GW capacity heating Earth 24/7, 365 days a year”

By Leon Simons 5 May 2022 (Twitter) – NASA data shows our Earth is heating at unprecedented speed: 1.64 W/m2. CERES radiative flux data for 2021 has come available. The annual Earth’s Energy Imbalance was +1.52 W/m2, the energy equivalent to 1 million Hiroshima sized atomic bombs every day. Another 12-month EEI record (from Mar […]

Aerial view of a coal waste operation in Russelton, Pennsylvania that uses waste coal to power bitcoin mining. The U.S. Environmental Protection Agency says that although waste coal is burned using a different process, it still releases carbon dioxide that contributes to warming the atmosphere. The coal waste in Pennsylvania also releases more acid gas and sulfur dioxide than other types of coal. Photo: SCMP

Video: U.S. company plans to burn coal waste for bitcoin mining

By Evanne Yu 25 March 2022 (SCMP) – A company in Pennsylvania has an unusual plan to deal with coal waste – crypto mining. Stronghold Digital Mining uses waste left behind by decades-old coal power plants to generate the electricity for hundreds of supercomputers working to mine bitcoin. The US Environmental Protection Agency says that […]

Snow covers an oil field as pump jacks operate in the Permian Basin in Midland, Texas, U.S, on Saturday, 13 February 2021. Photo: Matthew Busch / Bloomberg / Getty Images

Texas freeze led to release of tons of air pollutants as refineries shut – “These emissions can dwarf the usual emissions of the refineries by orders of magnitude”

By Laura Sanicola and Erwin Seba 21 February 2021 NEW YORK/HOUSTON (Reuters) – The largest U.S. oil refiners released tons of air pollutants into the skies over Texas this past week, according to figures provided to the state, as refineries and petrochemical plants in the region scrambled to shut production during frigid weather. An arctic […]

Breakdown of total fossil fuel support in PIDG, 2002-2018, by sub-sector ($USD). Data: Source: Private Infrastructure Development Group Annual Report 2018. Graphic: Global Witness

Obscure investment fund uses UK aid money to finance fossil fuel projects – “A farcical situation where the Government, on one hand, spends aid money to mitigate climate change, and on the other hand finances fossil fuels all over the world”

6 February 2020 (Global Witness) – We are at the beginning of a year of climate spin by the British Government. This year, the UK will host the 26th UN Climate Change Conference (COP26) in Glasgow. While the Government claims to be a ‘climate leader’, we reveal how a little-known investment group funded by the […]

Globally averaged CO2 mole fraction (a) and its growth rate (b) from 1984 to 2018. Increases in successive annual means are shown as shaded columns in (b). The red line in (a) is the monthly mean with the seasonal variation removed; the blue dots and line depict the monthly averages. Observations from 129 stations have been used for this analysis. Graphic: WMO

Greenhouse gas concentrations in atmosphere reached yet another high in 2018

GENEVA, 25 November 2019 (WMO) – Levels of heat-trapping greenhouse gases in the atmosphere have reached another new record high, according to the World Meteorological Organization. This continuing long-term trend means that future generations will be confronted with increasingly severe impacts of climate change, including rising temperatures, more extreme weather, water stress, sea level rise […]

Photo of an oxygen bar in Delhi, India on 15 November 2019. A 15-minute session costs $7.00. Photo: Reuters

More than half of India coal-fired power plants set to miss pollution deadline – Less than 2 percent currently in compliance

By Sudarshan Varadhan 15 November 2019 NEW DELHI (Reuters) – More than half of India’s coal-fired power plants ordered to retrofit equipment to curb air pollution are set to miss the deadline, private industry estimates and a Reuters analysis show, as millions in the country wake up to toxic air each day. Thermal power companies, […]

Map of air pollution in India showing Air Quality Index meters maxed at 999 on 3 November 2019. Graphic: AQICN

India air pollution deteriorates to “hazardous” rating – “Pollution has reached unbearable levels across North India”

3 November 2019 (BBC News) – Air pollution in the north of India has “reached unbearable levels,” the capital Delhi’s Chief Minister Arvid Kejriwal says. In many areas of Delhi air quality deteriorated into the “hazardous” category on Sunday with the potential to cause respiratory illnesses. Authorities have urged people to stay inside to protect […]

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