There are different kinds of policies that can curb greenhouse gases.
Explaining how carbon taxes and cap-and-trade systems work is simpler than figuring out how high those taxes and caps should be.
The biggest U.S. oil company wants to pay every American a dividend.
AP Photo/Richard Drew
Exxon Mobil has a clear motive to back a new plan to tax carbon with its clout and money. And a carbon tax that is high enough to work might prove politically impossible to enact.
William Nordhaus argues markets can help curb climate change.
AP Photo/Craig Ruttle
William Nordhaus showed that the market offers the best chance for preventing global catastrophe form climate change.
Coldwater Indian band Chief Lee Spahan raises an eagle feather after responding to a Federal Court of Appeal ruling that put the Trans Mountain Pipeline expansion on hold.
Environmentalists claimed victory when a court ruling put the Trans Mountain pipeline expansion on hold. But delaying or cancelling the project would also impact Canada's climate change strategy.
Prime Minister Malcolm Turnbull and federal energy minister Josh Frydenberg have been forced to back down on plans to legislate emissions reductions for the electricity sector.
AAP Image/Mick Tsikas
Prime Minister Malcolm Turnbull has abandoned the emissions-reduction component of his signature energy policy, in the latest chapter of a brutal decade-long saga for Australian climate policy.
The carbon tax is an unpopular and deeply unequal measure. And Sweden, given as an example in this field, needs to be examined more closely.
Ontario Premier Doug Ford, seen here walking on the front lawn of the Ontario Legislature in June, is vowing to deliver on his campaign promise to scrap the “disastrous” cap-and-trade system and fight a federal carbon tax.
THE CANADIAN PRESS/Frank Gunn
Ontario and Saskatchewan are vociferously fighting the federal government's carbon tax efforts. But rather than back down, Ottawa should embrace a simple, fair and transparent “carbon dividend.”
The survey revealed 84% support for renewable energy among the Australian public.
AAP Image/Lukas Coch
The latest annual survey from the Lowy Institute shows that 59% of Australians support strong climate action, and 84% want the government to embrace renewable energy even if it's more expensive.
Canada has committed to cutting GHG emissions 30 per cent by 2030 from 2005 levels. Can Canada's oil capital lead the charge? New research shows it's within reach with bold actions on several fronts.
No about-face: Barnaby Joyce (left) may have gone to the backbench, but his successor Michael McCormack looks set to keep his climate views aflame.
AAP Image/Mick Tsikas
Barnaby Joyce had a long history of opposing climate action. His successor Michael McCormack seems to think the same way, despite climate being a growing threat to the Nationals' rural voters.
The Emissions Reduction Fund is not capturing enough emissions from the most polluting industries.
AAP Image/Dave Hunt
Australia's flagship climate policy, has spent more than $2 billion on emissions reductions, yet big businesses could wipe all this out. Time to resurrect the idea of a simple carbon tax.
Construction at Plant Vogtle, Georgia, Dec. 1, 2014.
Nuclear power provides 60 percent of US carbon-free electricity generation, but existing plants are aging and only one is under construction. Should government intervene to keep nuclear energy in the mix?
At COP23, members of the America’s Pledge network, which brings together those involved in the fight against climate change in the United States.
With the US announcement that it would withdrawl from the Paris Accord, several American states are mobilizing to reduce their greenhouse gas emissions.
The Keating cabinet in 1995, featuring John Faulkner (back row, centre), whose vision for a carbon price was thwarted.
AAP Image/National Archives of Australia
Paul Keating's government, faced with the prospect of international action on climate change, took steps to preserve the coal industry - a tactic that has been rebooted many times since.
A polar bear walks over sea ice floating in the Victoria Strait in the Canadian Arctic Archipelago in July 2017. Research suggests that divesting in fossil fuels could help nations meet their climate change goals.
(AP Photo/David Goldman, file)
Fossil fuel divestment apparently works. Research suggests announcements of divestments have a significant impact on the fossil fuel industry's share prices.
Map of the world’s CO₂ emissions for 2016. China, the United States, tne European Union, and India are the largest emitters.
World Carbon Atlas
Consistent carbon pricing is a key element in the fight against climate change.
While Tony Abbott's London climate speech has been widely criticised, research suggests his views have long had a sympathetic ear in Australia's coal heartland.
What happens when the gap between a company and its umbrella group gets too wide? We're about to find out.
Prime Minister Malcolm Turnbull still can’t seem to distance himself from coal.
AAP Image/Lukas Coch
The Turnbull government is still tying itself in knots over the future of coal, as literally decades of policy turmoil on climate and energy continue to roll on.
Past and present: Bob Brown (centre) pictured in 2010 with Greens colleagues including current leader Richard Di Natale (right).
AAP Image/Alan Porritt
The environmental issues we face are ideal recruiting for green parties, but the breakthroughs aren't happening, and after 25 years as a federal party the Greens are still fighting on the same fronts.