Can green sand help to clean up our carbon?
On an undisclosed Caribbean island, researchers are poised to test whether green sand could help to clean up our atmospheric mess. Project Vesta aims to sequester carbon by speeding up the natural weathering process of a mineral called olivine. The olivine will be ground up into sand and spread on the beach, where — in theory — the wave action will accelerate the sequestration process. The project hopes to show whether ‘enhanced mineral weathering’ can be done in a cost-effective way that’s safe for the marine environment (and acceptable to people who might not fancy the idea of a green-sand beach).

https://www.technologyreview.com/...how-green-sand-could-capture-billions-of-tons-of-carbon-dioxide/

TUHO: zarámovat na památku?

Plus to, ze jsme tedka skoro na urovni roku se super El Ninem ukazuje, ze trend akceleruje

Moznost dosazeni ambicioznejsiho cilu Parizsky dohody 1.5 °C do roku 2100 asi padne velmi brzy... Ted jsme na 1.3 °C otepleni.

Important figure - graph shows global climate variability (bumps) and climate change (long-term upward trend). The 12-month running mean is about 1.3°C above pre-industrial level...

Do Karibiku dorazil písek ze Sahary, je ho nejvíce za půl století - Seznam Zprávy
https://www.seznamzpravy.cz/...-karibiku-dorazil-pisek-ze-sahary-je-ho-nejvice-za-pul-stoleti-110439

Věcný záměr energetického zákona
Materiál - Portál Aplikace ODok
https://apps.odok.cz/veklep-detail?pid=KORNBQLGLK0X

Materiál:
https://apps.odok.cz/attachment/-/down/KORNBQQGS2UE

TUHO: + komentar od Nafeeze Ahmed

But there’s a deeper problem. New scientific research confirms that capitalism’s structural obsession with endless growth is destroying the very conditions for human survival on planet Earth.
A landmark study in the journal Nature Communications, “Scientists’ warning on affluence” — by scientists in Australia, Switzerland and the UK — concludes that the most fundamental driver of environmental destruction is the overconsumption of the super-rich.
This factor lies over and above other factors like fossil fuel consumption, industrial agriculture and deforestation: because it is overconsumption by the super-rich which is the chief driver of these other factors breaching key planetary boundaries.
The paper notes that the richest 10 percent of people are responsible for up to 43 percent of destructive global environmental impacts.
In contrast, the poorest 10 percent in the world are responsible just around 5 percent of these environmental impacts:

https://medium.com/...lism-is-eroding-safe-operating-space-for-humanity-warn-scientists-6e469132dbba

The affluent citizens of the world are responsible for most environmental impacts and are central to any future prospect of retreating to safer environmental conditions. We summarise the evidence and present possible solution approaches. Any transition towards sustainability can only be effective if far-reaching lifestyle changes complement technological advancements. However, existing societies, economies and cultures incite consumption expansion and the structural imperative for growth in competitive market economies inhibits necessary societal change.

https://www.nature.com/articles/s41467-020-16941-y

@Intersucho
Stav půdní vláhy je na celém území ČR v obvyklém či lepším stavu (bílá barva), než je průměr z období 1961-2010. Za posledních šest let jsme takto jednobarevnou mapu, znamenající nulové riziko sucha ve vegetačním období, vydat nemohli.

Zázrak!

https://oenergetice.cz/...zemsko-chce-splnit-cil-oze-pomoci-statistickeho-prevodu-energie-od-danska/

Nový doklad, že se počasí zbláznilo. V Česku padl jeden rekord - Seznam Zprávy
https://www.seznamzpravy.cz/...k/novy-doklad-ze-se-pocasi-zblaznilo-v-cesku-padl-jeden-rekord-110237

Hopi farming: a 2000-year-long agriculture experiment - Radio Cafe
http://radiocafe.media/downtoearth-hopi/

Hopi farmers were practicing regenerative agriculture before it was named. Working with the soil, the weather, the water cycle, seeds, and cultural practices, they fed themselves in the dry land of northern Arizona for millennia. Now the industrial food system has challenged their way of living and farming. We talk to traditional Hopi farmer Dr. Michael Kotutwa Johnson; he’s a research associate with the Native American Agriculture Fund and has a doctorate in natural resources management.

Bill Gates leads $10M investment in Quidnet’s long-duration geomechanical pumped storage – pv magazine USA
https://pv-magazine-usa.com/...0m-investment-in-quidnets-long-duration-geomechanical-pumped-storage/

Quidnet looks to use “excess” renewable energy to store pressurized-water under ground at dry oil and gas wells. The startup is aiming to work with electric utilities and deliver commercial-scale projects across the North American electric grid.

“Quidnet’s GPS technology is a novel form of hydroelectric energy storage. It uses time-tested well-drilling and construction technologies to pump water under pressure into subsurface geological reservoirs to store energy. When variable renewable energy is not available, this water is released to drive hydroelectric turbines to power the electric grid,” said Quidnet CEO Joe Zhou.

Zhou noted, in an interview with pv magazine that the company was “building off of known supply chains: pumping, wells, drilling, piping, etc.”

He added, “Today, the duration is ten hours but we can get to tens of hours, maybe hundreds of hours, dependent on the volume of the cavern.”

The project in New York State will be 2 MW/20 MWh in size, supported through NYSERDA’s High Performing Grid Program. Chou adds, “The 2-MW project will be funded by NYSERDA with $2.5 million — we’ll contribute the other half.” The company suggests that “even at this modular scale, per-kilowatt installed costs are expected to be less than 50% of traditional pumped storage due to simpler civil construction scope.”

“Integrating renewables and replacing retiring thermal generation require cost-effective long- duration electricity storage at an immense scale,” said the CEO.

...

Companies that have pursued long-duration energy storage include:

* Flow battery firms such as Primus, Invinity, Sumitomo, UET, ESS and ViZn
* Gravity-based approaches such as Gravity Power, Ares Power, and Energy Vault
* Compressed air or gas approaches such as Hydrostor and Highview Power
* Whatever Form is doing: Form Energy has raised over $50 million in funding from Eni Next, MIT’s The Engine, Breakthrough Energy Ventures, Prelude Ventures, Capricorn Investment Group and Macquarie Capital. Form’s first commercial project is a 1-MW, grid-connected storage system capable of delivering its rated power continuously for 150 hours with Minnesota-based utility Great River Energy.

Methane (CH₄) is a potent greenhouse gas. Latest preliminary observations...

February 2020 - 1873.7 ppb
February 2019 - 1864.9 ppb