références en Anglais

Evidence shows a continuing increase in the frequency and severity of global heatwaves1,2, raising concerns about the future impacts of climate change and the associated socioeconomic costs3,4. Here we develop a disaster footprint analytical framework by integrating climate, epidemiological and hybrid input–output and computable general equilibrium global trade models to estimate the midcentury socioeconomic impacts of heat stress. We consider health costs related to heat exposure, the value of heat-induced labour productivity loss and indirect losses due to economic disruptions cascading through supply chains. Here we show that the global annual incremental gross domestic product loss increases exponentially from 0.03 ± 0.01 (SSP 245)–0.05 ± 0.03 (SSP 585) percentage points during 2030–2040 to 0.05 ± 0.01–0.15 ± 0.04 percentage points during 2050–2060. By 2060, the expected global economic losses reach a total of 0.6–4.6% with losses attributed to health loss (37–45%), labour productivity loss (18–37%) and i

In the UK and around the world, those who challenge rich corporations are being hounded and crushed with ever-more inventive penalties, says Guardian columnist George Monbiot

After all, Western economies – and their economic growth – depend utterly on labour and resources from the South...

Link to climate activism is seven times stronger for anger than it is for hope, say Norwegian researchers

Climate change is reducing output and raising safety concerns at nuclear facilities from France to the US. But experts say adapting is possible—and necessary.

Machine learning is producing impressive results, and, for better or worse, researchers are now using it to address the climate crisis, writes Frederick Hewett.

Ember modelling of least-cost power system pathways reveals that a clean power system (70-80% wind and solar) by 2035 should be at the core of energy planning for a net-zero continent by mid-century.

A coal-fired power plant that had been mothballed has become the first of its kind to be put back on to the network in Germany, as debate rages over how Europe’s largest economy will cope without Russian gas. The facility in Lower Saxony, which is owned by the Czech energy company EGH, has received emergency permission to run until April in an attempt to boost energy production.

There’s a simple way to unite everyone behind climate justice – and it’s within our power

An all-electric future depends heavily on copper, and looming supply shortfalls could hamper nations’ goals of reaching net-zero emissions by 2050, according to a new report from S&P Global. Unless significant new supply becomes available, climate goals will be “short-circuited and remain out of reach,” the report says.

Coal plants will be reactivated if Russian President Vladimir Putin threatens a gas cutoff, a government official said. That would trigger the second of a three-stage Germany’s gas emergency plan.

The cost of decommissioning the UK’s seven ageing nuclear power stations has nearly doubled to £23.5bn and is likely to rise further, the public accounts committee has said. The soaring costs of safely decommissioning the advanced gas-cooled reactors (AGRs), including Dungeness B, Hunterston B and Hinkley B, are being loaded on to the taxpayer, their report said.

Long before the current political divide over climate change, and even before the U.S. Civil War (1861-1865), an American scientist named Eunice Foote documented the underlying cause of today’s climate change crisis. The year was 1856. Foote’s brief scientific paper was the first to describe the extraordinary power of carbon dioxide gas to absorb heat – the driving force of global warming. Carbon dioxide is an odorless, tasteless, transparent gas that forms when people burn fuels, including coal, oil, gasoline and wood.

Countries should move from coal to renewable energy without shifting to gas as a “transition” fuel to save money, as high gas prices and market volatility have made the fossil fuel an expensive option, analysis has found. Natural gas has long been touted as a “transition” fuel for economies dependent on coal for their power needs, as it has lower carbon dioxide emissions than coal but requires similar centralised infrastructure, and gas-fired power stations take only a couple of years to build. Earlier this year, before Russia invaded Ukraine, the European Commission angered green campaigners by including gas as a “bridge” to clean energy in its guidebook for green investment.

Center of Bicycle Technology Maya Pedal is a Guatemalan NGO based in San Andrés Itzapa. We accept bikes donated from the USA and Canada which we either recondition to sell, or we use the components to build a range of "Bicimaquinas", (pedal powered machines).

When the lights went out at Chornobyl Nuclear Power Plant on 9 March, the Russian soldiers holding Ukrainian workers at gunpoint became the least of Anatolii Nosovskyi’s worries. More urgent was the possibility of a radiation accident at the decommissioned plant. If the plant’s emergency generators ran out of fuel, the ventilators that keep explosive hydrogen gas from building up inside a spent nuclear fuel repository would quit working, says Nosovskyi, director of the Institute for Safety Problems of Nuclear Power Plants (ISPNPP) in Kyiv. So would sensors and automated systems to suppress radioactive dust inside a concrete “sarcophagus” that holds the unsettled remains of Chornobyl’s Unit Four reactor, which melted down in the infamous 1986 accident.

Researchers have been able to cut their carbon footprint by jetting off to fewer international conferences, but physicists working on large-scale experiments may also have to consider the significant environmental impact of the computer power they require. Michael Allen investigates

As head of state-owned oil firm Rosneft, oligarch commands central place in the economy

Russia’s military offensive against Ukraine is an act of aggression that will make already worrisome tensions between Nato and Moscow even more dangerous. The west’s new cold war with Russia has turned hot. Vladimir Putin bears primary responsibility for this latest development, but Nato’s arrogant, tone‐​deaf policy toward Russia over the past quarter‐​century deserves a large share as well. Analysts committed to a US foreign policy of realism and restraint have warned for more than a quarter‐​century that continuing to expand the most powerful military alliance in history toward another major power would not end well. The war in Ukraine provides definitive confirmation that it did not.

Later this year, Egyptian engineering firm Arab Contractors is expected to complete the construction of the Julius Nyerere dam on the Rufiji River. Once completed, the $3 billion dam could be Africa’s fourth biggest by power production, producing up to 5920GWH of power annually, enabling Tanzania to close the gap between those with electricity and those who have no access.