Karl Mathiesen
Karl Mathiesen is Climate Home News' editor. He has written for national newspapers, newswires and magazines in Australia and the UK. Before joining Climate Home News in 2016, he worked mostly with the Guardian’s environment desk. He is based in London.
Gore, DiCaprio and the media: tools in Trump’s climate deception
Meetings with Gore and DiCaprio acted as a smokescreen while Trump prepared to appoint EPA chief who will tear up US climate policy
Trump EPA pick has sued EPA, is climate sceptic
Critics say Oklahoma attorney general is a “dangerous and unqualified choice” to lead the environmental regulator he has constantly attacked
Full circle: 33 hours in Australian climate policy
It took just over a day for the suggestion of a carbon price to be stamped out by right-wing MPs who hold the prime minister in their thrall
Fire bombs: why is the Mediterranean burning?
Huge fires, once rare in southern Europe, have ripped through communities from Greece to Portugal. The third and final part of our series investigates why
Fire bombs: British Columbia prepares for infernos
The second part of our series on vulnerable communities finds BC taking radical action in the face of a pile up of fire threats. Can it move fast enough?
Fire bombs: Hobart lies in the path of climate disaster
Around the world, communities are living obliviously close to climate-driven fire disaster. In the first in a series of reports, Karl Mathiesen visits Hobart, Tasmania
Trump defence secretary favourite ‘gets climate change’
Any new defence secretary must resist pressure to ignore the risk climate change poses to global security, says former brigadier general
Worst-recorded coral bleaching event to continue into 2017
World’s reefs in “uncharted territory”, say scientists, as bleaching set to hit reefs for an unprecedented third year in a row
Human rights report quashed in push for Azerbaijan-EU gas pipeline
Concerns about political prisoners were suppressed as politicians approved the Southern Gas Corridor, an Italian TV documentary reveals
Melting Arctic: ‘It’s a very different Svalbard’
Wildly abnormal weather threatens Arctic bird species and the safety of Longyearbyen town, says polar scientist
Fiji invites Trump to visit climate-hit Pacific islands
On the final day of climate talks in Marrakech, next year’s host appealed to the US president-elect for solidarity
196 countries to Trump: UN must tackle climate change
Nations stand as one in Marrakech to reaffirm their commitment to the fight against climate change in the face of populism and division in America
Paris climate target slips away as Donald Trump rises
Faint hopes for a 1.5C global warming limit to rescue low-lying island states from rising seas have been shattered by the US election result, say scientists
With appeal to Trump, Kerry (and US) leave climate leadership
US secretary of state delivers impassioned plea to president-elect not to ignore science or wishes of American people when considering climate strategy
Over dinner, top economies plan Trump climate response
Monday meeting of coalition including UK, Germany, Mexico, Brazil, Canada and Marshalls ended with pledge to push ahead with carbon cuts
After Trump win, Obama’s climate envoys fight back
US climate negotiators emerged from their post-election silence in Marrakech with a bellicose message that their legacy was beyond reach of Donald Trump
UN confirms 2016 will be hottest year on record
“Another year. Another record,” says World Meteorological Organisation chief, as temperatures smash the mark set last year
World Bank broke own rules as coalmine left Kosovo village “in limbo”
Failings on the part of the bank contributed to “real and often severe harm” over a “prolonged period” to villagers around the Sibovc mine, says leaked report
One week to save UN climate change talks from Trump
As the eyes of the world look to Marrakech for a signal of the Trump effect, can diplomats show that the climate is bigger than one man?
Israeli presence at climate talks causes anger in Morocco
“Morocco remains and will always remain the prime defender of the Palestinian cause,” said Moroccan foreign minister and COP22 president