atlas des actus
    
Phys : environment
26  avril     14h27
How to clean up New Delhi’s smoggy air
   An international study led by atmospheric researchers at PSI shows for the first time what portions of particulates in the air over northern India are especially harmful to health.
    06h43
The Indian villagers who lost their homes to the sea
   The gentle roar of the ocean lulled Indian mother of two Banita Behra to sleep each night, until one day the encroaching tide reached her doorstep.
    06h39
Philippine settlement submerged by dam reappears due to drought
   A centuries old settlement submerged by the construction of a dam in the northern Philippines in the s has reappeared as water levels drop due to a drought affecting swathes of the country.
25  avril     20h09
Did climate chaos cultivate or constrain 2023’s greenery?
   In the ongoing quest to track the progression of climate change, scientists frequently examine the state of our planet’s vegetation forests, grasslands, agricultural lands, and beyond.
    19h40
Managing meandering waterways in a changing world
   Just as water moves through a river, rivers themselves move across the landscape. They carve valleys and canyons, create floodplains and deltas, and transport sediment from the uplands to the ocean.
    18h00
Scientists say voluntary corporate emissions targets not enough to create real climate action
   Companies’ emissions reduction targets should not be the sole measure of corporate climate ambition, according to a new perspective paper.
    18h00
Escape the vapes: Scientists call for global shift to curb consumer use of disposable technologies
   Scientists have called for a concerted global effort to stem the tide of disposable electronic technologies such as vapes contributing to international waste accumulation and environmental degradation.
    17h37
Drinking water in low-income communities is more likely to be contaminated by ’forever chemicals,’ research finds
   PFAS, or forever chemicals, are widespread and more likely to be found in public water systems serving low income communities and communities of color in New Jersey, according to new research from Northeastern University.
    16h40
Warming Arctic reduces dust levels in parts of the planet, study finds
   Climate change is a global phenomenon, but its impacts are felt at a very local level. Take, for example, dust. Dust can have a huge impact on local air quality, food security, energy supply and public health. Yet, little is known about how global climate change is impacting dust levels.
    16h16
The UK’s Climate Change Act, once the envy of the world, faces a stress test
   The Scottish government’s decision to row back on its climate pledge illustrates the crux of any target: it’s easy to set one with a big political flourish, but harder to follow through with a careful plan to achieve it.
    16h15
Cocaine is an emerging contaminant of concern in the Bay of Santos (Brazil), says researcher
   In addition to already known pollutants, the Bay of Santos a city in the state of Sà o Paulo Brazil that is home to the largest seaport in Latin America has been affected by an emerging contaminant that is now present not only in the water but also in sediments and marine organisms throughout the...
    16h14
Study says it’s likely a warmer world made deadly Dubai downpours heavier
   Circumstantial evidence points to climate change as worsening the deadly deluge that just flooded Dubai and other parts of the Persian Gulf, but scientists didn’t discover the definitive fingerprints of greenhouse gas triggered warming they have seen in other extreme weather events, a new report...
    16h14
Study shows the longer spilled oil lingers in freshwater, the more persistent compounds it produces
   Oil is an important natural resource for many industries, but it can lead to serious environmental damage when accidentally spilled. While large oil spills are highly publicized, every year, there are many smaller scale spills into lakes, rivers, and oceans.
    16h02
How marketing classes can rescue ’ugly produce’ from becoming food waste
   At a time of rising food costs and growing food insecurity, a large percentage of food grown for consumption never reaches our tables.
    15h53
Solar geoengineering to cool the planet: Is it worth the risks?
   When I first wrote about geoengineering in , it was considered far fetched at best, and crazy by most. But years later, while there is still controversy and considerable resistance to deploying it, respectable scientists and institutions are pushing for more research into geoengineering the...
    14h37
Indian nuclear facilities found to have radioactive influence on Southern Tibetan Plateau
   A study published in Environmental Science Technology Letters has shed light on the long range transboundary transport of radioactive iodine I from the Indian nuclear fuel reprocessing plants NFRPs to the Southern Tibetan Plateau STP .
    13h57
New research predicts peak groundwater extraction for key basins around the globe
   Groundwater withdrawals are expected to peak in about one third of the world’s basins by , potentially triggering significant trade and agriculture shifts, a new analysis finds.
    13h32
Spring snow, sparkling in the sun, can reveal more than just good skiing conditions
   One might think that snow, of all things, is easy to describe: it is cold, white and covers the landscape like a blanket. What else is there to say about it
    12h00
In south China, silkworm farmers reel from deadly floods
   Hose in hand, year old Zhu Huangyi cleans a small concrete room once home to his silkworms, two thirds of which were lost in deadly floods hitting southern China this week.
    11h47
Biden targets fossil fuel power sector with tough new carbon rules
   The United States on Thursday announced sweeping new rules requiring coal fired plants to eliminate nearly all their carbon emissions or commit to shutting down altogether, a keystone of President Joe Biden’s agenda to confront the climate crisis.
    07h44
The guardian angels of the source of the Seine
   The river Seine, the centerpiece of the Paris Olympics opening ceremony in July, starts with a few drops of water in a mossy grotto deep in the woods of central France.
    07h42
Heatstroke kills 30 in Thailand this year as Southeast Asia bakes
   Millions of people across South and Southeast Asia sweltered through unusually hot weather on Thursday, as the Thai government said heatstroke has already killed at least people this year.
24  avril     20h37
Shoreline model predicts long-term future of storm protection and sea-level rise
   Researchers in North Carolina have created a simulation model to analyze how coastal management activities meant to protect barrier islands from sea level rise can disrupt the natural processes that are keeping barrier islands above water.
    20h24
Balancing AI and physics: Toward a learnable climate model
   Artificial intelligence AI is bringing notable changes to atmospheric science, particularly with the introduction of large AI weather models like Pangu Weather and GraphCast. However, alongside these advancements, questions have arisen about the alignment of these models with fundamental physics...
    18h55
Will the US ban the use of single-use plastics like England, India, Hong Kong and other countries?
   Madhavi Venkatesan, associate teaching professor of economics at Northeastern University, is convinced that human convenience is an expense the environment cannot afford.
    18h30
Africa’s megacities threatened by heat, floods, disease action needed to start greening, adapt to climate change
   Cities cover just of the planet. But they emit of all global greenhouse gas emissions, absorb of final global energy what consumers use and consume of clean drinking water.
    18h23
Quakes do not kill people, bad buildings do
   Early on Tuesday April , Taiwan was hit by a series of earthquakes with the highest magnitude at . . The latest tremor came less than three weeks after a magnitude . quake hit the island, damaging more than buildings and trapping dozens of people in collapsed tunnels.
    18h00
New research confirms plastic production is directly linked to plastic pollution
   A research paper published in Science Advances reveals a direct correlation between plastic production and plastic pollution, such that every increase in plastic production is associated with a increase in plastic pollution in the environment.
    16h45
Scientists demonstrate high-resolution lidar sees birth zone of cloud droplets, a first-ever remote observation
   A team led by atmospheric scientists at the U.S. Department of Energy’s Brookhaven National Laboratory has demonstrated the first ever remote observations of the fine scale structure at the base of clouds. The results, just published in npj Climate and Atmospheric Science, show that the air cloud...
    16h40
UN launches fund to shield displaced people from climate shocks
   The United Nations said Wednesday it was launching a new Climate Resilience Fund aimed at boosting protections for refugees and displaced communities threatened by climate change.