He could have been president, but his tragedy is that he walked a path he knew to be wrong

The United Nations Climate Change Conference is widely seen as the last chance to avoid catastrophic damage to Earth

What’s happening when it comes to climate change, what are the targets and why do we need to up our game?

Ex-Wallabies captain launches campaign – The Cool Down – which urges nation’s leaders to take bold action

Failure to agree on wording of key commitments at Naples meeting regarded as setback for crucial COP26 in October

Planet Business: No more ‘lumpiness’ at Netflix?

Research Lives: Patricia Maguire, Professor of Biomedical Science at University College Dublin

Eddie O’Connor accused of using ‘antiquated stereotypes’ during climate conference

Left unaddressed, stranded fossil fuel assets will become a colossal headache

Group also pledges to make ‘accelerated efforts’ to limit global warming to 1.5 degrees

Analysis: Decarbonisation provides big opportunity if mix of policy, finance and innovation is right

Document handed over to UK government in bid to increase ambitions for COP26 summit

John Kerry and ECB’s Philip Lane among speakers at Dublin Climate Dialogues

US envoy delivers opening address at Dublin Climate Dialogues online conference

Declaration to set out how ambition can be stepped up, says conference chairman Pat Cox

John Kerry to persuade countries to adopt more ambitious carbon reduction targets

Dublin Climate Declaration to be issued by global experts next week in advance of November’s COP26 conference

Climate change experts and campaigners on whether November's global summit can meet the climate threat

Dublin Climate Dialogues will produce recommendations for UK, host of COP26

US president has kick-started a new era of climate-centred geopolitics

President praises Russian idea for capturing carbon from space as he calls for global collaboration

Biden tells world leaders that no government can address climate threat on its own

Stepped-up emissions goal announced by host provides tangible break from climate denialist presidency of Donald Trump

Biden administration hopes goal will spur others to raise targets as global summit begins

World’s biggest carbon emitters, including China and Russia, will be in virtual room

Nowhere near what is needed

‘I don’t want to be the scold,’ says US climate envoy John Kerry

Details of global ‘net-zero’ summit announced in advance of COP26 gathering

Biden’s win could have profound effect on shape and vigour of battle against climate change

Move to be ‘catalyst for a much more meaningful outcome in November’

Security council warned of risk to food, fresh water, temperature and ocean food chains

US president says climate crisis ‘one of the most pressing threats of our time’

April summit of world leaders announced by US special presidential envoy on climate

Coronavirus and its economic impact biggest issues immediately facing new US president

President-elect says ‘we need a unified national response to climate change’

President belatedly instructs his officials to co-operate with incoming Biden regime

Early appointments show president-elect is keen to progress despite lack of co-operation

Several of the new appointees held senior positions in the Obama administration

Michigan board of canvassers votes to certify the state’s election results

Massachusetts-born Irish-American kept Democrats’ campaign focused on ‘blue wall’ states