Esperanza base, located in Antarctica, where 18.3 degrees were recorded this Thursday. Photograph: EPA/National Meteorological Service

The continent of Antarctica has experienced its hottest temperature on record, with a research station provisionally recording 18.3 degrees. The rea(...)

The last five years have been the warmest five years since measurements began 170 years ago. Photograph: iStock

The world has just experienced its hottest decade on record, with 2019 among the warmest years ever seen, scientists have confirmed. Last year saw th(...)

An injured koala rests in a washing basket at the Kangaroo Island Wildlife Park in the Parndana region on Wednesday.  Photograph: Lisa Maree Williams/Getty Images

Australian authorities warned people on Wednesday to prepare for another wave of evacuations as temperatures in the country’s southeast began to rise (...)

We’ve come a long way since Alexander Graham Bell had the world’s first phone conversation in 1876.

To understand the possibilities of 5G, you first have to look back. “Mr Watson, come here – I want to see you” is credited as the world’s first ever (...)

Climate change activist Greta Thunberg arrives aboard the yacht La Vagabonde at Santo Amaro port in Lisbon, Portugal. Photograph: Rafael Marchante/Reuters

Climate activist Greta Thunberg has arrived by yacht in the port of Lisbon after a three-week voyage across the Atlantic Ocean from the US. The Swedi(...)

An interpretation of O’Connell Street, Dublin, overwhelmed by  flooding due to rising sea levels. Graphic: Eddie Sheanon/Midas Productions

Dublin and Cork are built on marshes at the mouth of rivers emptying into the sea. In a stark message to be delivered on Monday night, former RTÉ wea(...)

Swedish teenager and climate activist Greta Thunberg was a towering presence in New York this week. Photograph: Jeenah Moon/Bloomberg

New York hosted three immensely significant events on climate disruption in recent days. The biggest climate rally in the history of the planet, in so(...)

In a Word . . .

I’ve said it before. I’ll say it again. It’s time we marketed the Irish summer abroad. Yes, as in “Come to lovely Ireland, where the humidity is negli(...)

Snow-covered mountains rise above the harbour and town of Tasiilaq, Greenland. File photograph: Lucas Jackson/Reuters

The hot air that smashed European weather records this week looks set to move towards Greenland and could cause record melting of the world’s second-l(...)

People cool down along the canal de l’Ourcq in Paris on Wednesday. Photograph: Julien de Rosa/EPA

The Netherlands and Belgium recorded their highest ever temperatures as the second extreme heatwave in consecutive months to be linked by scientists t(...)

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