It's one of the great movements of nature. The arrival in Ireland of hundreds of thousands of birds from colder northern climes for the winter.

Geopolitically, there is much to be concerned about at the moment, suggesting the first year of the 2020s will likely have oversized impact on the following nine, says James Stavridis.

A boat designed and built in east Cork is now fully fitted and ready for testing prior to attempting a new world record transatlantic crossing next summer.

Since Ireland’s record wet summer of 2009, the country has had a major weather event every eight months, from extreme cold to heatwaves. Expect more, says Kieran Hickey

Three young women are racing to defuse a climate-change bomb, says Matthew Green

WEST Cork offers marvellous whale-watching just now. Heading out past the Stags last week, our boat was soon surrounded by playful common dolphins. The colourful frolickers rode the bow wave, daring the boat to bear down on them and delighting the children on board.

There comes a time in August when you just know. The game is up. I mean, there might be another heatwave but it won’t be the same. The summer has lost its foothold.

At a moment when psychology is starting to recognise a condition, a deep melancholia provoked by anxiety over climate collapse — Climate Grief — anything that looks like a victory, a recovery of lost ground for the natural world must be, irrespective of its scale, celebrated.

Hayfield Collection sales director Karen Fleming was among 17 women who undertook an epic five-day Arctic trek to fundraise for DEBRA Ireland, she tells Helen O’Callaghan.

The world’s first cruise ship propelled partially by battery power is set to head out from northern Norway on its maiden voyage, cruise operator Hurtigruten said.

An emaciated polar bear has been sighted in a Russian industrial city in Siberia, far south of its normal hunting grounds.

Adventurer Jamie Young has traversed the Atlantic twice as a solo sailor, kayaked around Cape Horn, raced around Rockall and taken a kite buggy to the Antarctic.

A beluga whale wearing a harness approached fishing-boats off the Norwegian coast last month

Environmental activists have boarded an oil rig off the coast of Norway to protest against drilling in the Arctic.

With the world facing serious environmental threats, European leaders should make a green Europe their number-one priority for the coming years, writes Michel Barnier

Western Europe’s biggest oil producer is, seemingly, falling out of love with oil.

Ireland is an important wintering area for these birds which breed at Arctic latitudes and migrate southwards to spend the winter on estuaries, coastal bays, rivers and lakes.

Ranulph Fiennes has survived many tight spots as the world’s greatest living explorer, but one of the first risks he took landed him

Greta Thunberg was just a child who wouldn’t be comforted.

Two members of the Irish Travelling community experienced the life of remote tribes in Siberia and the Amazon basin, writes Áilín Quinlan.

When the financial consequences finally sink in, people will — perhaps — start taking climate change more seriously and make the tough decisions needed, writes Kyran Fitzgerald.

Kya deLongchamps celebrates 30 years of romance on ice at the world’s original ice hotel in Swedish Lapland.

Cormac McCarthy did not give a precise description of the cataclysm that destroyed much of the life on Earth.

THE obliteration of the Hawaiian East Island in Hurricane Walaka in the last few weeks serves as a timely reminder to the vulnerability of many low-lying islands, writes Dan MacCarthy.

Hector Ó hEochagáin gives us a unique insight into the incredible highs and bone-chilling lows of his latest travel adventure from Siberia to Saigon, airing on TG4 tonight.

A new report says countries must take “unprecedented” action to slash carbon emissions to zero by 2050. Here we look at what countries need to do to keep global temperatures from rising more than 1.5C.

Earth may be decades away from a climatic tipping point that triggers runaway global warming and threatens the future of humanity, scientists have warned.

Imagine if the drought went on all summer? I think that’s the worry which is niggling at many of us.

A bearded seal has re-appeared in Courtmacsherry Bay and yet again it was the O’Driscolls, farmers at Kilbrittan who were the first to see the big, white animal hauled up on a sandbank.

An Irishman is planning a 1,400km trek between two Siberian towns, both of which claim to be the coldest on Earth. Temperatures can drop to minus 60C.

We need a smaller beef herd and an emphasis in dairy on premium products like cheese and ice-cream, writes Victoria White

In West Cork, it was as warm as the Canary Islands if one was in a sheltered corner or a stoutly built conservatory.

The Beast from the East brought an unexpected gift; a brambling turned up in the mist net in my back-garden.

Look back 100 years this summer, and Wexford were approaching the football championship with a mind to claim their fifth straight All-Ireland title.

St Stephen’s Green is a beautiful place any time of the year but spring is particularly magical.

Con Houlihan liked to tell the story of his first ever assignment as a sports reporter.

Luxury fashion retailer Brown Thomas has showcased its Spring/Summer 18 collections. 

A court in Norway has said the country's government can hand out oil drilling licences in the Arctic.

The frequent storms and floods hitting Ireland are linked to global warming, according to the Climate Action Minister Denis Naughten said.

The Dublin suburb of Dalkey is immortalised in the surrealist work of one of Ireland’s greatest writers, Flann O’Brien.

Donald Trump has said the USA's East Coast "could use a little bit of that good old Global Warming" as bitterly cold temperatures are expected to freeze large swaths of the country this holiday weekend.

A Norwegian train smashed into a herd of reindeer in the country's Arctic region today, killing 17 animals, days after similar incidents led to the death of more than 100 reindeer.

A stable and secure EU could become the most important pillar of the UK’s post-Brexit security strategy, writes Jacek Rostowski