Feed aggregator
Pioneering type 1 diabetes therapy safe
James Webb: Telescope's giant origami shield takes shape
A year in ozone over the South Pole
'Unusual' Greenland wildfires linked to peat
Monsanto continued selling PCBs for years despite knowing health risks, archives reveal
Company refutes legal analysis of documents suggesting it ignored risk to human health and environment long after pollutants’ lethal effects were known
Monsanto continued to produce and sell toxic industrial chemicals known as PCBs for eight years after learning that they posed hazards to public health and the environment, according to legal analysis of documents put online in a vast searchable archive.
More than 20,000 internal memos, minuted meetings, letters and other documents have been published in the new archive, many for the first time.
Continue reading...A treaty to ban nuclear weapons
‘Indigenous peoples are the best guardians of world's biodiversity’
Interview with UN Special Rapporteur Victoria Tauli-Corpuz to mark the International Day of the World’s Indigenous Peoples
Today is the United Nations’ (UN) International Day of the World’s Indigenous Peoples, numbering an estimated 370 million in 90 countries and speaking roughly 7,000 languages. To mark it, the Guardian interviews Kankanaey Igorot woman Victoria Tauli-Corpuz about the UN’s Declaration on the Rights of Indigenous Peoples, which she calls “historic” and was adopted 10 years ago.
Tauli-Corpuz, from the Philippines, was Chair of the UN Permanent Forum of Indigenous Issues when the Declaration was adopted, and is currently the UN Special Rapporteur on the Rights of Indigenous Peoples. In this interview, conducted via email, she explains why the Declaration is so important, argues that governments are failing to implement it, and claims that the struggle for indigenous rights “surpasses” other great social movements of the past:
Continue reading...Flash floods hit east coast of England
East Riding of Yorkshire and north-east Lincolnshire among areas hardest-hit with severe downpours expected to slowly move south
Heavy rain has brought flooding to a stretch of the east coast of England, and further severe downpours are expected.
Flash flooding hit towns and villages in the East Riding of Yorkshire and north-east Lincolnshire. There was 3ft (1 metre) of standing water in parts of Withernsea and further flooding in the Grimsby and Immingham areas.
Continue reading...Southeast Europe swelters through another heatwave with a human fingerprint
![](https://cdn.theconversation.com/files/181507/width496/file-20170809-3360-1sy8t74.jpg)
Parts of Europe are having a devastatingly hot summer. Already we’ve seen heat records topple in western Europe in June, and now a heatwave nicknamed “Lucifer” is bringing stifling conditions to areas of southern and eastern Europe.
Several countries are grappling with the effects of this extreme heat, which include wildfires and water restrictions.
Temperatures have soared past 40℃ in parts of Italy, Greece and the Balkans, with the extreme heat spreading north into the Czech Republic and southern Poland.
Some areas are having their hottest temperatures since 2007 when severe heat also brought dangerous conditions to the southeast of the continent.
The heat is associated with a high pressure system over southeast Europe, while the jet stream guides weather systems over Britain and northern Europe. In 2007 this type of split weather pattern across Europe persisted for weeks, bringing heavy rains and flooding to England with scorching temperatures for Greece and the Balkans.
Europe is a very well-studied region for heatwaves. There are two main reasons for this: first, it has abundant weather observations and this allows us to evaluate our climate models and quantify the effects of climate change with a high degree of confidence. Second, many leading climate science groups are located in Europe and are funded primarily to improve understanding of climate change influences over the region.
The first study to link a specific extreme weather event to climate change examined the record hot European summer of 2003. Since then, multiple studies have assessed the role of human influences in European extreme weather. Broadly speaking, we expect hotter summers and more frequent and intense heatwaves in this part of the world.
We also know that climate change increased deaths in the 2003 heatwaves and that climate change-related deaths are projected to rise in the future.
Climate change’s role in this heatwaveTo understand the role of climate change in the latest European heatwave, I looked at changes in the hottest summer days over southeast Europe – a region that incorporates Italy, Greece and the Balkans.
I calculated the frequency of extremely hot summer days in a set of climate model simulations, under four different scenarios: a natural world without human influences, the world of today (with about 1℃ of global warming), a 1.5℃ global warming world, and a 2℃ warmer world. I chose the 1.5℃ and 2℃ benchmarks because they correspond to the targets described in the Paris Agreement.
As the heatwave is ongoing, we don’t yet know exactly how much hotter than average this event will turn out to be. To account for this uncertainty I used multiple thresholds based on historically very hot summer days. These thresholds correspond to an historical 1-in-10-year hottest day, a 1-in-20-year hottest day, and a new record for the region exceeding the observed 2007 value.
While we don’t know exactly where the 2017 event will end up, we do know that it will exceed the 1-in-10 year threshold and it may well breach the higher thresholds too.
A clear human fingerprintWhatever threshold I used, I found that climate change has greatly increased the likelihood of extremely hot summer days. The chance of extreme hot summer days, like this event, has increased by at least fourfold because of human-caused climate change.
![](https://cdn.theconversation.com/files/181104/width754/file-20170806-27483-1vuysbp.png)
My analysis shows that under natural conditions the kind of extreme heat we’re seeing over southeast Europe would be rare. In contrast, in the current world and possible future worlds at the Paris Agreement thresholds for global warming, heatwaves like this would not be particularly unusual at all.
There is also a benefit to limiting global warming to 1.5℃ rather than 2℃ as this reduces the relative frequency of these extreme heat events.
As this event comes to an end we know that Europe can expect more heatwaves like this one. We can, however, prevent such extreme heat from becoming the new normal by keeping global warming at or below the levels agreed upon in Paris.
You can find out more about the methods used here.
![The Conversation](https://counter.theconversation.edu.au/content/82139/count.gif)
Andrew King receives funding from the ARC Centre of Excellence for Climate System Science.
Nuclear not the answer, as consumers pay for abandoned reactors
Turnbull “eyeballs” energy bosses, kids himself on solution
Turnbull has failed to axe Australia’s power price “laziness” tax
Energy storage start-up targets Australia, promises compressed air technology “half the cost” of batteries
SA power-to-gas pilot to trial long-term renewable storage option
Purple streaks of thistles garnish the sodden fields
Wenlock Edge Rain hardens summer’s lushness and the vivid knapweed seems loaded with the uncanniness of the season
On the windmill meadow, above a green rind of grasses and below their fidgety seedheads in the rain is the dotty purpling of knapweed.
The jet stream divides August in Europe. As the south swelters in life-threatening temperatures, this side of the shower curtain is cool, wet and, after Lammas Day, thistly.
Continue reading...Glencore's Wandoan coalmine wins approval from Queensland government
Decision enrages environmental groups, with Lock the Gate calling it a ‘very dark day for farming’ in the state
Glencore’s multibillion-dollar Wandoan coalmine proposal has been granted mining leases years after it was shelved amid falling commodity prices and a ramped-up global response to climate change.
On Tuesday Queensland’s natural resources and mines minister, Dr Anthony Lynham, approved three 27-year leases covering 30,000 hectares for the first stage of its $7bn mine near Roma.
Continue reading...Australia’s biggest solar retailer forced to replace non-compliant panels
Hydropower investment positions Tasmania as battery of the nation
Penguin feathers record migration route
Bristol zoo gives rare spiders a leg-up with breeding programme
More than 1,000 of the endangered species, which come from one island off Portugal, have hatched in captivity in a world first
In what is believed to be a world first, one of the rarest spiders has been bred in captivity at Bristol Zoo Gardens. More than 1,000 Desertas wolf spiderlings, classed as critically endangered, have hatched. Keepers hand-reared some from tiny eggs as they are so precious. At birth, they measure 4mm across, but they will grow to 12cm, with a 4cm body.
The species is found in a single valley on Deserta Grande, one of the Desertas islands near Madeira, Portugal. There are about 4,000 adults left in the wild and it is hoped that some of the spiderlings can be returned to their home.
Continue reading...