Bleached reef off Magnetic Island in Australia. Photograph: Victor Huertas

Scientists say survey shows damage more widespread than any preceding events

On Monday, scientists in Melbourne, Australia, started administering BCG vaccine or a placebo to thousands of healthcare workers. Photograph: iStock

Study shows countries with vaccination programmes have far fewer cases

A researcher works on virus replication in order to development a vaccine against the coronavirus Covid-19, in Belo Horizonte, Brazil. Photograph: Douglas Magno/AFP via Getty Images

Countries with high BCG vaccination rates have fewer coronavirus deaths, study shows

Current World Health Organisation  recommendations are that face masks are of use in clinical situations and may also prevent the spread of disease if worn when someone has a cough or Covid-19 symptoms. Photograph: Vivek Prakash/AFP via Getty Images

WHO advice is members of public need not unless feeling ill or caring for someone who is

A computer image created by Nexu Science Communication together with Trinity College in Dublin, shows a model structurally representative of a betacoronavirus which is the type of virus linked to Covid-19. Photograph: Nexu Science Communication/Reuters.

Edition 4: Countries wrestling with mask policy but there are slivers of good news

Workers sort through personal protective equipment received from China at a warehouse in Valencia, Spain. Photograph: Juan Carlos Cardenas/AFP via Getty Images

Suppliers are being notified of shortcomings in first consignment from China, HSE says

Eirgrid chief executive Mark Foley says efforts need to be redoubled and ‘the Richard Bruton ethos’ must be retained within the next administration. Photograph: Naoise Culhane

Operator’s €2.2bn plan aims to enable grid to work on 70% renewable energy by 2030

 Climate protesters near the Dáil in February. Notwithstanding progress fuelled by a global movement led by young people the reality is that the failure of major economies to commit to more rapid decarbonisation has blunted the efforts of more committed countries. Photograph: Alan Betson

Much more required to meet commitments but Covid-19 crisis shows power of collective will

A number of face shields produced in the I-Form Lab at UCD.

I-Form has made and distributed 600 guards to healthcare staff across Dublin in just days

Boris Johnson launching COP26 at an event in London on February 4th. The conference will no longer take place in Glasgow in November. Photograph:   Chris J Ratcliffe/POOL/AFP via Getty Images

Coronavirus scuppers Glasgow meeting but activists say it may lead to better outcome

Face shields ready for dispatchh

SFI supported I-Form has produced and distributed 600 face shields this week

The “global research roadmap” issued by the World Health Organisation outlines the immediate priorities and knowledge gaps in addressing the coronavirus pandemic. Photograph: Reuters

They’ve been asked to undertake critical research, development and innovation projects

Prof Alistair Nichol, who is leading the trial in Ireland, said ethical clearance was expected to be granted this week. Photograph: Chris Bellew /Fennell Photography

International trial aims to ensure findings on possible treatments are shared quickly

Dan Bradley, professor of population genetics at Trinity College Dublin, is to evaluate ancient genetic characteristics of farm animals to help write new chapters on ancient human history.

Money will support work on topics such as farm animal genetics, extreme trauma, Victorian-era books

Patients with active cancers are being seen and getting treatment, according to the Irish Cancer Society. File photograph: Getty

Those with cancer classified in most at-risk group and subject to severe restrictions

Some of Boston Scientific and the CRT engineers in the Galway workshop testing new emergency ventilator components: Tim O Connor, Joe Casey (obscured), Martin Hynes, John Wallace, Garreth Casserly and Dan O Donnell.

An intensive two-week Galway hackathon has produced a prototype design

‘Satellites offer a unique vantage point to monitor the health of our planet.’ File photograph: Getty

Satellites orbiting planet reveal significant reduction in hazardous gases and particles

Researchers  at Mount Sinai Hospital in New York are among the first in the US to develop a test that can detect antibodies in recovering Covid-19 patients. Photograph: New York Times

Blood from people in New York who have recovered expected to be effective treatment

Nature’s research suggests pangolins are ‘a second mammalian host of coronaviruses and that their sale in wildlife markets should be strictly prohibited to minimise the risk of . . . virus transmission to humans. Photograph: Getty

Most-commonly illegally trafficked mammal used as food and also in traditional medicine

People stand on designated areas to maintain social distancing as they queue outside a medical store during a government-imposed nationwide lockdown as a preventive measure against coronavirus in Srinagar in India. Photograph: Tauseef Mustafa/AFP via Getty Images

Edition 3: Clinical trials plan to collect plasma recovered patients and inject into those fighting virus

The robot which   can use UV light to keep hospitals  clean. Photograph: Enda O’Dowd

Akara Robotics device clinically proven to kill viruses and bacteria

Prof Garret FitzGerald: ‘The irony is Trump supporters paid the price for his mistakes.’ Photograph: Eric Luke

US showing every indication it will outstrip China in cases, says Prof Garret FitzGerald

Liz Connor and her daughters Ellen (8) and Grace (6) wear protective facemasks as they go for a walk to celebrate Mother’s Day in Dublin. Photograph: Brian Lawless/PA Wire

Prof Liam Glynn says whether to go for more severe restrictions is the ‘million dollar question’

A graphic representation of novel coronavirus created by Irish scientist Eoin Winston of Nexu and Jason McLellan from the University of Texas.   It includes a realistic representation of its distinctive spike protein which may be key to developing a vaccine.

Edition 2: Is a lockdown in Ireland now inevitable to curb the spread of coronavirus?

Kylene Karnuth, a clinical lab scientist, works with coronavirus samples as researchers begin a trial to see whether malaria treatment hydroxychloroquine can prevent or reduce the severity of the coronavirus disease  at the University of Minnesota, US. Photograph:  Craig Lassig/Reuters

Main difficulties centre around demonstrating safety, efficacy and scaling up manufacturing

The NRVL is operating on a seven-day basis, with two teams working 12-hour days. This has enabled coronavirus testing to be scaled up from 30 samples a day in early February to 900 a day.   Photograph: Getty Images

Priority is to carry out between 10,000 and 15,000 Covid-19 tests per day by getting a network of acute hospitals to test locally

The extreme temperature increases varied across Co Dublin, with Casement Aerodrome having 20% more extreme events, and Phoenix Park 7% compared to a baseline period of 1981-2010.   Photograph: Getty Images

Researchers in Ireland have produced a complete picture for Dublin by combining mathematical methods with new data analytics

A Chinese shopkeeper waits for customers at a local market in Beijing on March 4th. A 55-year-old individual from Hubei province may have been the first person to have contracted Covid-19 in November last year. Photograph: Getty Images

Edition 1: Researchers assessing number of undiagnosed and how infectious these people are

Testing  it is being applied to those with symptoms consistent with the virus given that community transmission is likely to be increasing. Photograph: Alan Betson

The ability to process test results is also being ramped up

New research has now shown that heating up vitamin E acetate through vaping can produce ketene, a highly toxic gas. Photographer: Michael Nagle/ Bloomberg

Discovery relates to Vitamin E acetate, which is often found in illegally-made devices

Marts will continue to operate but with restrictions to gatherings of less than 100 people. File photograph: Bryan O Brien

Department of Agriculture takes steps in areas such as payment processing, animal testing and mart controls

Katharine Hayhoe concealed her email address online but the vitriol that followed her just shifted to social media, where she continues to deliver her message in spite of having to block up to 100 people a day. Photograph: Matt McClain/The Washington Post via Getty Images

Influential climate scientist sees no conflict between religion and science on climate change

File photograph of chickens. Photograph:.Chor Sokunthea/Reuters

Infectious outbreak does not kill birds in high numbers or pose a risk to human health

The majority of mumps cases recorded in Ireland the UK since 2018 have been among teenagers and young adults who have not hadtwo doses of the MMR vaccine. File photograph: Brian Snyder/Reuters.

Outbreak of viral infection began in 2018 with teens and young adults hardest hit

Sea foam spills on shore as Storm Jorge hit Clogher Strand in Co  Kerry on  February 29th last. Photograph: Ruth Ui Ogain/via  Reuters

Coastal flooding could occur due to combination of waves and spring tides

Prof Neville Hogan has been awarded the 2020 Science Foundation Ireland (SFI) St Patrick’s Day Science Medal, one of the country’s most prestigious scientific honours.

Science Foundation Ireland honours Prof Neville Hogan, regarded as ‘father of rehabilitation robotics’

Known as StreamAIR, the technology devised by the Centre for Climate and Air Pollution Studies (C-CAPS) also provides indication of key drivers of air pollution and climate disruption.

StreamAIR provides air quality indications, combined with air pollution risks

The operation of Leixlip Water Treatment Plant which supplies water to 600,000 people in the greater Dublin area, including parts of Kildare and Meath, has been strongly criticised by the Government’s Water Advisory Body. Photograph: Colin Keegan/Collins

The plant’s recent difficulties highlight vulnerability of Dublin’s water supply

Damaged coconut tree in Mozambique: 2019 was the second-hottest year on record, with a global average temperature of 1.1 degrees above pre-industrial levels.  Photograph:  Yasuyoshi Chiba

People and wildlife at risk from greater heat, sea level rises and extreme weather

Visitors from Dingle on a recent visit to Templederry community-owned wind farm in Co Tipperary.

Successful applicants will be awarded State contracts to generate power for national grid

Human rights advocate and former secretary general of Amnesty International Kumi Naidoo. File image: Tobias Hase/AFP/Getty Images.

Ex-Amnesty chief says today’s problems will seem like a ‘picnic’ in future if climate change not addressed

Mary Robinson: ‘I have become in the past year a fearless woman, a connected woman and a dangerous woman.’ File photograph: Finbarr O’Rourke

Former president warns price of political inaction will be substantial fines for Ireland

Speaking in Trinity College Dublin at a conference to mark 250 years of the College Historical Society, Eddie O’Connor said 75,000 megawatts of offshore wind energy capacity was achievable at a low cost of 5 cents per kilowatt-hour

Renewable energy developer Eddie O’Connor claims demand for power will rise 250%

“While emissions from electricity decreased, we have a hill to climb if we are to make meaningful inroads in the other sectors,” says  the Sustainable Energy Authority of Ireland’s Jim Scheer.

Fossil fuel use in sectors a threat to Ireland’s long-term green energy goals, authority says

Future engineers and transition-year students try assembling a Siemens green power car in DCU’s engineering labs as part of the Steps programme which is being hosted at the university during Engineers Week 2020.

State’s former envoy to UN urges profession to play part in facing climage-change trials

 Britain’s prime minister Boris Johnson’s first steps this month in attempting to forge a new global consensus were widely considered a car crash.  Photograph: Jeremy  Selwyn/Pool/AFP via Getty Images

As we enter a make-or-break decade in addressing the crisis, just three of 197 countries have met an agreed deadline to strengthen(...)

The climate movement, including young climate strikers, has helped to raise public awareness, but the Greens have to re-examine their approach to address the big disconnect with voters

It was Sinn Féin’s message of change rather than the Green one of climate change that emerged as the big winner

Seán Canney’s poll-topping performance has returned him to the new Dáil. Photograph: Laura Hutton

Galway East candidate elected on the seventh count

Ciarán Cannon’s first elevation to national politics was when he was appointed a senator in 2007. Photograph: Alan Betson

Galway East candidate elected on the eighth count

Anne Rabbitte’s campaign focused on affordable childcare, greater support for agriculture and rural crime

Galway East candidate elected on the eighth count

Galway East returned all three sitting TDs - Sean Canney (Ind); Ciaran Cannon (FG) and Anne Rabbitte (FF), but the count was not without drama as the 21-year-old Sinn Féin candidate Louis O’Hara was very close to pulling off a shock win. Photograph: Kevin O’Sullivan

21-year-old Sinn Féin candidate Louis O’Hara very close to pulling off shock win

FILE PHOTO: A man snorkels in an area called the "Coral Gardens" near Lady Elliot Island, on the Great Barrier Reef, northeast of Bundaberg town in Queensland, Australia, June 11, 2015. REUTERS/David Gray/File Photo

In Queensland, Prof Terry Hughes works to protect the world’s biggest coral system

Artur Runge-Metzger, accepted emissions from farming could not be eliminated “but there is a need to bring them down a little bit” while scaling up carbon removal using trees and soil

You need to have a plan on how you are going to decarbonise your assets over time...that is the big task, says EU Commission clima(...)

Former president  Mary Robinson speaking at the  Sustainable Energy Authority of Ireland’s  public sector conference at  DCU. Photograph:   Crispin Rodwell

Former president claims delegates to the UN make ‘fine speeches’ but put forward few concrete plans to reduce emissions

The three main party leaders ‘are promising more climate action on the one hand, while at the same time promising more regional airports,’ says Dr Cara Augustenborg.

FG, FF, SF manifestos score worst; climate expert says parties ‘still don’t seem to connect the dots’

Green Party leader  Eamon Ryan: ‘Every flyer being put through my door by rival parties is climate central, everyone cycling everywhere, organic this, flowers and birdboxes galore.’  Photograph: Nick Bradshaw for The Irish Times

Eamon Ryan accuses rival parties of lack of vision and ambition on climate action

Hedgerow removal on the Limerick Junction to Waterford line. Irish Rail spokesman Barry Kenny said the work was in line with legislative requirements to erect new fencing, and confirmed replanting of native species would take place

Save Our Hedgerows campaigners are demanding that all work ceases

The national herd is covered by most parties in relation to climate change. File photograph: Brenda Fitzsimons

Carbon tax, public transport and the national herd are covered by most parties

School climate strikers deliver key election demands: Conor Slattery (17), Réiltín Courtney (14), Mya Farrell on ladder (13) and Chaya Smyth (14). They are with Kevin Farrell and Oisin Coghlan.

Fridays for Future presents list of nine climate demands to Fine Gael and Fianna Fáil

A notable entry in Mary Mulvihill’s Ingenious Ireland: The Coelostat from Dublin Institute for Advanced Studies which provided proof of Einstein’s Theory of Relativity. Maria Koutoulakis pictured with the Grubb Coelostat and Einstein Lens. Photograph: Mark Steadman

Breadth of the book ranges from natural history to industrialisation and to sociology

Green Party leader Eamon Ryan: “Betting on not having to measure methane would be a fundamental mistake and a high-risk strategy for the farming community.” Photograph: Tom Honan

FG and FF clash with Green Party in front of farmers on range of climate change issues

The Green Party claims traffic congestion costs Dublin close to €500m annually, rising  to €2bn by 2030. File photograph: The Irish Times

Bulk of expense from air pollution, congestion and subsidising fossil fuels, claims party

RTÉ has rejected calls for a dedicated leaders’ TV debate on the climate issue. Photograph: Dara Mac Donaill

Dedicated climate action debate is required due to scale of issue, say campaigners

Peter O’Brien, pictured on Sandymount Strand, Dublin at the launch of One Future. Photograph: Dara Mac Dónaill/The Irish Times

Faith, development, civil society, environmental groups set out nine demands for political parties

Robert Boyle: The day will begin with an examination of his life and work, emphasising his importance in developing and popularising the experimental method

Second Robert Boyle Winter School will examine critical contribution of Boyle and John Tyndall

The EPA report also strongly recommends local authorities should be working together more in tackling illegal waste operators

EPA report calls for more focus on enforcing waste segregation in households and businesses

More detailed recovery plans are needed for key species including farmland birds (notably the curlew); wintering waterbirds and breeding seabirds ‘to reverse devastating declines’, according to BirdWatch Ireland. File photograph: Getty Images

Environmental group urges overhaul of food policy and action to reverse declines in species

Green Party agriculture spokeswoman Pippa Hackett: “We have said all along this trade agreement was a bad idea, and this report confirms that to be the case.”  Photograph: Gareth Chaney/Collins

Climate policies may be ‘undermined’ by Argentina, Brazil, Paraguay and Uruguay

All parties in this general election know environmental issues will come up on the doorsteps – especially with younger voters. Photograph: Nick Bradshaw

Climate change stands out as a key concern but will it change how people use their votes?

If in Government, Leo Varadkar confirmed carbon taxes would increase by €6 per tonne annually up to 2030. Photograph: Enda O’Dowd

Fine Gael promises 70% renewable electricity by 2030; €8.6bn for transport

Swedish climate activist Greta Thunberg holds up a sign featuring the main slogan of her movement, ‘School strike for the climate’. Photograph: Ronald Patrick/Getty Images

Barry McMullin says crisis is ‘entirely different from all other issues’ in campaign

The Green Party has launched its air quality policy by highlighting one of Dublin’s air quality blackspots. From left: Cllr Roderic O’Gorman, Dublin West candidate, Cllr Neasa Hourigan, Dublin Central candidate and Cllr David Healy, Dublin Bay North candidate. Photograph: Nick Bradshaw for The Irish Times

Party would increase air monitoring and ban cars in vicinity of schools

An analysis of 40,000 transactions and proximity to parks and green spaces including water shows parks have the most positive effect.  Photograph: iStock

Economists says case for such houses to have higher property taxes to be used for green spaces

Mixed marine litter washed up on Inchydoney beach in Co Cork during the 2019 Coastwatch survey. Photograph: Bernie Connolly

‘The turnaround is massive. We think it’s happening because of behavioural change’

 Former speaker of the House of Commons John Bercow opened his address in Dublin with “ciúnas, ciúnas!”; the nearest Irish equivalent to “order, order!” File photograph:  Yui Mok/PA Wire

Ex-speaker of House made comments at event marking end of Young Scientist exhibition

More than 60 private supplies were found to be contaminated with human or animal waste at least once during 2018. Photograph: iStock

Health of one million people in Ireland at risk as water monitoring ‘inadequate’

Ciarán Hayes, Sligo County Council, chief executive outlined a  wide range of new measures that would be driven by local authorities working with other State agencies. Photograph: Maxwell photography

Councils aim to tackle inevitable consequences of climate disruption

Cormac Harris and Alan O’Sullivan (16) from Coláiste Choilm, Cork, whose project won them this year’s title of BT Young Scientists of the Year.  Photograph: Chris Bellew/ Fennell Photography 2020

Cork students Cormac Harris and Alan O’Sullivan developed education programme to counter gender stereotyping

Amy Morrissey and Anna Ring demonstrate the effect of magnets on ants. Photograph: Kevin O’Sullivan

Winner announced in Dublin’s RDS on Friday evening

The changes would lead to challenges in the High Court or judicial review proceedings with inevitably high costs attached, says barrister Oisín Collins

Barrister says Bill would row back on entitlements for groups and citizens won with help of EU law

The brief in the “smelly grass” project conducted by sixth class pupils at Timoleague National School, Co Cork, was to identify which fertilisers worked best in garden and in a farm setting. Photograph: Timoleague National School/Facebook

Students present projects on fertilisers and countering bad breath at Dublin’s RDS

Oisín O’Sullivan, Desmond College, Limerick, with his iScope at the Cook Medical stand at the BT Young Scientist and Technology Exhibition. Photograph:  Andres Poveda

On day two of BTYSTE students show exciting projects with social and medical benefits

Emma O’Sullivan and Beth O’Halloran from Regina Mundi College, Cork being judged on their project: What makes a hit song. Photograph: Chris Bellew/Fennell Photography

Process is hectic and exacting as judges across four categories identify most significant work

Rebecca Murphy and Abbey Hehir from Clare, with their slurry pit  project, at the opening of BTYSTE  in the RDS. Photograph: Dara Mac Dónaill

Students from all over Ireland compete at BT Young Scientist & Technology Exhibition

Leo Varadkar with students Alison Egan and Caoimhe Harrington (left) from Castleknock Community College. Photograph: Dara MacDonaill/The Irish Times

‘You remind us of what can be achieved when we turn those ideas into action,’ says Taoiseach

Taoiseach Leo Varadkar at the official opening of the BT Young Scientist & Technology Exhibition in the RDS on Wednesday. Photograph: Dara Mac Dónaill

Unionist politicians deplore decision by Minister for Justice to call off planned RIC commemoration

Professor Brian Cox said he was amazed by students’ entries at the  BT Young Scientist and Technology Exhibition in Dublin on Wednesday. Photograph: Chris Bellew /Fennell Photography

Cosmologist speaks at Young Scientist exhibition in Dublin

Fianna Fáil’s climate spokesman Jack Chambers. File Photograph: Alan Betson

Party declines to indicate if it will support quick passage of legislation before an election

Rhys Morgan and Rob West from Morgan and West Unbelievable Science with Aditya Joshi (centre) from CBS Synge St at the launch of the BT Young Scientist Exhibiton. Photograph: Tom Honan/The Irish Times

‘It gives you hope’, says BT Ireland managing director Shay Walsh

Young Scientist co-founder Dr Tony Scott with two first-year students from Loreto Foxrock at the Young Scientist event launch in 2017. Photograph: Eric Luke/The Irish Times

Cofounder Dr Tony Scott says contest has had major impact on Irish innovation and entrepreneurship

Minister for Climate Action and Environment Richard Bruton TD confirmed methane, the greenhouse gas most associated with agriculture, would be subject to emissions reduction targets though he accepted some sectors might not have to achieve carbon neutrality by 2050. Photograph: Dara Mac Dónaill/The Irish Times

Expert advice suggests tipping point would be around 2024, Minister says

The greatest implications of the Climate Action (Amendment) Bill will lie with the transport, agriculture, housing and energy sectors, which are most responsible for rising Irish CO2 emissions. File photograph: Getty

Passing of Bill will end aspirational or voluntary targets that Ireland has failed to meet

Minister for Climate Action  Richard Bruton said it is his ambition to have the Bill enacted before an election. Photograph: Damien Eagers

Bill will force sectors to radically reduce carbon emissions over the coming decade

Flooding in  Jakarta, Indonesia: The world is dangerously behind in climate action, a scenario compounded by a weak outcome to the recent annual UN climate talks in Madrid. Photograph:  AP Photo/Dita Alangkara

Bill will bring about radical overhaul of climate policy but must be implemented soon

David Tobin, renewable energy director of Beauparc, at the Panda waste processing facility in Ballymount, Dublin. Photograph: Nick Bradshaw/The Irish Times

EPA move will allow material to be diverted from landfill for use in road construction

Brown bin in Dublin.  File photo. Photograph: Cyril Byrne

Government plans include levy for cigarette butt clean-up and pledge on fast fashion

Thunberg shows the placard ‘School strike for the climate’ upon her arrival in in Lisbon on December 3rd after crossing the Atlantic by boat. Photograph: Horacio Villalobos/Getty

Year in Review: Greta Thunberg is dictating course of unfolding environmental history

Climate activists outside the supreme court of the Netherlands in  The Hague on Friday ahead of a ruling in the landmark Urgenda case. Photograph: Mike Corder/AP

Supreme court upholds ruling in landmark ‘Urgenda case’, compelling government to act

Almost two-thirds of studies of nitrite-containing processed meat found a link with cancer, QUB researchers found. Photograph: Anthony Devlin/PA Wire

Advice should be revised as ‘not all processed meat has same risk’, say researchers

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