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.
Labour scrambles to develop a British Green New Deal
Jeremy Corbyn meets AOC advisor to discuss US green stimulus package, while inside Labour, two camps are forming different proposals for a UK version
Climate Weekly: Neutralité 2050
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France introduces 2050 carbon-neutral law
New bill loosens restrictions on nuclear to bring France’s emissions down, concerning some campaigners
UN security council members mount new push to address climate threat
UK, France lead push to set up UN “clearing house” to identify climate-stressed regions at risk of collapsing into conflict
Coal phase-out will increase German need for gas, says Merkel
Under pressure to block a gas pipeline from Russia and end coal power, the chancellor tied their fates together
Countries breathe life into the Paris climate agreement
At a summit in Katowice, Poland, nearly 200 governments agreed rules to put the historic pact into action, but failed to make strong push for faster emissions cuts
As it happened: Final scramble for deal at climate talks in Poland
Reaction, news and analysis from the CHN team on the ground in Poland as negotiators reach the end of two weeks of talks
Saudi version of climate justice rejected by developing countries
Oil-rich country’s resistance to welcoming findings of science report on 1.5C warming has marked it out from poorer countries
The US, still in the Paris Agreement, is trying to decide its future
As the White House hosts an event on fossil fuels, the state department is in Poland to make a deal that will shape the global accord
Climate science on 1.5C erased at UN talks as US and Saudis step in
In a moment of drama in Poland, countries closed ranks against a push by oil producers to water down recognition of the UN’s report on the impacts of 1.5C warming
French senate ‘failed to heed’ UN science warning before protests
A major climate report in October found shifting to a green economy risked social disruption, but French senators told a scientist they were ‘powerless’ to respond
Global alignment of climate plans pushed to 2041 in UN draft
Late start date for synchronising national climate plans shows complacency and risks dampening ambition, warn observers
Katowice Brief: The first test
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Katowice brief: The other US climate team
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Paris Agreement fight could push US out permanently, warn top Obama officials
A deal in Poland that draws a hard line between developed and developing countries may be unacceptable to future administrations – Democratic or Republican
Know your NDCs from your LMDCs: A climate diplomacy glossary
Learn the lingo of international climate talks with our handy reference guide
Draft G20 statement waters down Paris climate commitment
Argentinian official says ambiguity over the Paris Agreement is needed to avoid a split with the US, days before critical UN climate talks begin
Bolsonaro names climate denier as Brazil’s foreign minister
Ernesto Araújo, a relatively junior diplomat, accuses the left of using the environmental cause ‘to serve their political project of total domination’
Climate Weekly: Will China come clean on CFCs?
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Colorado governor-elect has US’ most ambitious renewable goal
Jared Polis’ promise to phase out fossil fuel electricity by 2040 would be the fastest target in any state, as the midterms returned mixed results on climate policy