Many models used by policy-makers suggest we'll have to remove CO2 from the atmosphere - but if we can't, we have to get much more serious about cutting emissions.
Wind and solar farms are great. But we need to reduce energy demand and start taking carbon out of the atmosphere.
More wind farms, electric cars and efficient lightbulbs, of course. But also lower taxes.
Malcolm Turnbull has said coal will be important for "many decades to come" – joining a long line of prime ministers who talked big on climate policy but found themselves talking up fossil fuels.
Australia's lax attitudes to vehicle emissions has been overlooked in Ford's exit.
Canadian PM Justin Trudeau has decided to leave climate policy to the provinces, while forcing them to act.
A global deal on airline emissions leaves a number of loopholes.
In the wake of South Australia's blackout, politicians have blamed renewables for decreasing the state's energy security.
South Australia's electricity price shock in July showed that Australia hasn't worked out how to put large amounts of wind energy into the grid.
Carbon standards for cars are the cheapest way to cut emissions, and will save drivers money.
Skirmishes over funding for renewable energy research are just the latest battle in a saga that stretches back to the early 1980s – years before the public became widely aware of the climate threat.
Unlike the Kyoto Protocol, which languished for years, the Paris climate agreement is rocketing towards the threshold for it to enter into international law – leaving Australia in its wake.
Two members of the Climate Change Authority offer an alternative view on its latest report, arguing that the recommendations are not in line with Australia's international climate obligations.
A new "toolkit" of suggested climate policies looks politically feasible, but it's too complicated and not ambitious enough to drive a real move to a low-carbon economy.
More than 150 Australian experts have demanded greater action on climate change from Prime Minister Malcolm Turnbull.
A new report published by the Climate Institute says Australia could avoid lengthy heatwaves and help save the Great Barrier Reef by meeting the Paris Agreement's 1.5C global warming goal.
New Zealand’s economically driven approach to ecological decline risks entrenching environmental problems rather than solving them.
As the new Australian parliament takes the reins, health groups are moving to ensure the new health minister addresses a major health threat in this term of government: climate change.
The UK's business secretary is well placed to deliver a low carbon economy.
Malcolm Turnbull returns to the helm with a wafer-thin majority and a significant element in his government who still oppose climate action - can he defy the odds and serve up some credible policy?