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.
UK and Canada announce global alliance to end coal power
UK and Canada challenge other nations to join them in committing to end coal power generation, saying “we are doing our part”
Climate change ‘probably doing good’, says former Australian PM Abbott
Former Australian prime minister likens treatment of climate sceptics to the Spanish Inquisition and says the government lost seats by not campaigning on energy prices
International concern as US moves to end clean power plan
The Trump administration plans to repeal and replace landmark policy that underpinned US commitment to Paris Agreement and a key climate deal with China
New York City aims to be carbon neutral by 2050
Donald Trump’s home city aligns its strategy with tough 1.5C global warming limit, in defiance of the president’s hostility to climate action
US exports of tar sands waste are fuelling Delhi’s air pollution crisis
India has emerged as the world’s largest importer of petroleum coke, an oil byproduct that is now a major cause of pollution in the capital
Nicaragua to join Paris climate deal in solidarity with ‘first victims’
Announcement makes Syria the only party not to have adopted the 2015 deal, while the US is threatening to leave in 2020
UN secretary general links hurricane devastation to climate change
António Guterres and other leaders called for renewed efforts to cut carbon pollution as the Caribbean faces yet another devastating storm
Jerry Brown’s climate coalition now covers 39% of the global economy
California governor’s list of city, state and national governments nears 200 and is shifting climate diplomacy beyond the caprices of national leaders
California bid for 100% clean energy stalls
Resistance from utilities and unions blamed after legislature fails to bring clean energy bill to a vote
China, EU and Canada to take lead on climate at Montreal meeting
New partners move to take on global climate leadership at meeting in Canada this weekend as US influence declines
US senate committee votes to reinstate funding to UN climate treaty
The committee passed an amendment to give $10m to the UN Framework Convention on Climate Change, an organisation Donald Trump wants to cut off
Scotland sets 2032 ban on new diesel and petrol cars, funds carbon capture
First minister Nicola Sturgeon announced conventional car phase-out eight years ahead of the rest of the UK, plus finance for a carbon capture project in Aberdeenshire
Tony Abbott to address London climate sceptic group
Abbott becomes second former Australian prime minister to address Global Warming Policy Foundation. His speech will be called ‘Daring to Doubt’
US state department to abolish climate change envoy
Critics say Rex Tillerson’s restructuring will further diminish US’ standing in international affairs
Coal to power India for ‘decades to come’, says government planning body
Coal will continue to produce roughly three-quarters of India’s electricity, says body charged with central planning, as it lays out plan to boost mining production
NGO demands Trump-Pruitt emails on Paris withdrawal
The Center for Biological Diversity is seeking documents that influenced the US president’s decision to leave the Paris climate agreement
Obituary: Tony de Brum, Marshallese climate and anti-nuclear crusader
De Brum, who witnessed the destructive power of nuclear weapons as a child, won justice for his tiny country against formidable economic and political odds
Climate Weekly: EU heading for electric car quota
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A bottle of brandy that Trump won’t leave the Paris deal. Any takers?
Trump’s US remains firmly in the Paris climate deal. Richard Black reckons that’s how it will stay and he’s prepared to put his brandy where his mouth is
Australian government ‘can’t be trusted to protect Great Barrier Reef’
Government loses vote on bill noting the government’s ‘failure to protect’ reef on day of chaos in Canberra