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In this Carbon Brief interview during COP23 in Bonn, Dr Bill Hare talks about100% renewables, negative emissions, nuclear, CCS, 1.5°C vs 2°C, gas as a "bridge", global carbon tax, solar geoengineering, the end of coal era, ocean acidification and, yes, Donald Trump...

During climate talks in Bonn, Canada and the UK along with the Marshall Islands have launched the “Powering Past Coal” alliance inviting governmental entities from around the world to phase out dirty coal power plants. Its declaration refers directly to the benchmarks provided in our global coal report, to stress that the Paris Agreement requires coal phase-out by 2030 in the OECD countries and by 2050 in the rest of the world.

Governments are wrapping up a meeting in Bonn, Germany, to figure out how to implement a global climate agreement. The conference has focused on the pledges to reduce greenhouse gas emissions, which nations made two years ago in Paris. But even as negotiators debate the details, scientists are warning that carbon dioxide levels are again on the rise, and the efforts in Paris may not be enough.

BONN, Germany (Reuters) - Global warming is likely to be slightly less severe than previously expected thanks to stronger climate policies by China and India that will offset less U.S. action under President Donald Trump, a study showed on Wednesday.

The Carbon Brief has been talking to delegates at COP23 whether they think Trump’s presidency means the 1.5°C goal is now impossible - and the answer is no. Video featuring Climate Analytics CEO Bill Hare.

The outlook for curbing global warming has improved since last year as a result of policy moves in China and India, analysts said on Wednesday. In a report released on the sidelines of UN climate talks in Bonn, Climate Action Tracker (CAT) lowered their temperature rise prediction this century from 3.6C to 3.4C.

The New Zealand government’s newly announced climate policies – with the goal of making New Zealand’s electricity system fossil fuel free by 2025 and reducing emissions to net zero by 2050 – have drawn international praise but the Climate Action Tracker reveals the NZ ambition is not ‘fine’ as claimed. A guest article by Climate Analytics CEO and Senior Scientist Bill Hare.

Coal use will have to be "pretty much" gone by mid-century if the planet is to avoid sea-level rise of more than a metre by 2100 as Antarctic ice sheets disintegrate faster than expected, new modelling by an Australian-led team has found.

Coastal cities around the world could be devastated by 1.3m of sea level rise this century unless coal-generated electricity is virtually eliminated by 2050, according to a new paper that combines the latest understanding of Antarctica’s contribution to sea level rise and the latest emissions projection scenarios.

Climate change could lead to sea level rises that are larger, and happen more rapidly, than previously thought, according to a trio of new studies that reflect mounting concerns about the stability of polar ice. In one case, the research suggests that previous high end projections for sea level rise by the year 2100 — a little over three feet — could be too low, substituting numbers as high as six feet at the extreme if the world continues to burn large volumes of fossil fuels throughout the century.