The idea of clean coal has been around for 40 years, but remains a pipe dream.
With little hope of finding alternatives to jet fuel, we need to seriously consider a world without flying.
Most passengers have no idea how bad air travel is for the environment.
Why is everyone talking about 'emissions intensity' schemes this week?
The food we eat is responsible for almost a third of our global carbon footprint.
Extreme wet years are getting wetter and more common. This means Australia's terrestrial ecosystems will play a larger role in the global carbon cycle.
Australia's electricity and climate agendas aren't on the same page.
Countries have started announcing strategies to cut greenhouse gases over the next 35 years.
Phasing out greenhouse gas emissions entirely by mid-century is possible, and promising trends are emerging. But the next five to ten years will be the real test of whether we can make that happen.
Cape Grim's air pollution station has recorded some of the biggest changes to the world's atmosphere over the past 40 years.
Managers from carbon intensive companies are holding off on long term emissions strategies because of uncertainty around regulations and policies, new research finds.
For three years, carbon emissions from fossil fuels have grown little or not at all, opening a window of opportunity to halt climate change.
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.
Experts agree that a new era for climate policy here. But the hard work starts now.
While action on air pollution is welcome, there may be better ways to cut car emissions.
New technologies that can help us to meet climate change targets are struggling to see the light of day. Incentives need to be fixed, and carbon pricing is at the heart of the matter.
With gas prices high, coal-fired power has been increasing, which is bad news for carbon emissions.
Most businesses construct climate risk solely through the lens of profitability and market opportunity.
Australia's lax attitudes to vehicle emissions has been overlooked in Ford's exit.
A global deal on airline emissions leaves a number of loopholes.