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.
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
Get our daily round-up of news from this year’s major UN climate talks straight to your inbox. Sign up here
Katowice brief: The other US climate team
Get our daily round-up of news from this year’s major UN climate talks straight to your inbox. Sign up here
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?
Sign up to get our weekly newsletter straight to your inbox, plus breaking news, investigations and extra bulletins from key events
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
Kosovo turns to US after World Bank dumps coal plant
Prime minister Haradinaj met with US officials to discuss backing for project the World Bank recently said was uncompetitive with renewables
UK court frees fracking protestors from ‘excessive’ prison sentences
Three protesters were sentenced to jail for 2017 blockade, but court of appeal found that a community work order would have been appropriate
World Bank dumps Kosovo plant, ending support for coal worldwide
The Kosovo e Re lignite plant could not compete with renewables on price, said bank president Jim Yong Kim
‘Most important years in history’: major UN report sounds last-minute climate alarm
Warming beyond 1.5C will unleash a frightening set of consequences and scientists say only a global transformation, beginning now, can avoid it
EU: Breaching 1.5C would trigger cascade of negative effects
Confidential comments on a draft UN report show the EU calling for scientists to discount scenarios where temperatures temporarily overshoot the Paris goal
Leaked US critique of climate report sets stage for political showdown in Korea
Confidential government feedback casts doubt on scientific models, pushes domestic energy priorities and questions economic basis for climate action
Leaked: Draft UN declaration to ‘ensure decent future’ for fossil fuel workers
Proposal by Polish climate presidency calls for a programme to monitor national efforts to protect communities impacted by climate action
‘Major shift’: Nations face bottom-up pressure to act on climate change
A California summit of business, city and state leaders ends with a call on national governments to increase their pledges to the Paris climate deal
Let down by Trump on climate, China goes around him in California
At the Four Seasons hotel in San Francisco, the superpower and the US state cut diplomatic deals that fly in the face of White House policy
EU pushes Poland to drive climate ambition as UN host
As climate hosts, Poland will be charged with spurring greater efforts to cut emissions. The EU has some suggestions
Secretary-general to throw entire UN into fight against ‘suicidal emissions’
Antonio Guterres to outline personal and institutional crusade on climate change in ‘major’ speech in New York on Monday