It's a good thing that cities aspire to lead the way in acting on climate change in the absence of stronger national action. But a closer look reveals the limitations of current city-based efforts.
It would take a lifestyle upheaval to drop most Australians' household emissions to a sustainable level. Even many of us who urge equitable action on climate change act as if this doesn't apply to us.
Tonight on the ABC's Catalyst, scientist Tim Flannery asks if seaweed can save the world. It's a bold claim for algae, but seaweed could play a key role in keeping climate change in check.
When utilities plan investments, they think decades ahead. A recent study shows why power companies should be spending more on renewables despite the Trump administration's tilt toward fossil fuels.
The great dream of cars running on sustainable petrol has not bitten the dust. Here's why.
Set aside the politics. If by some miracle we turned off carbon emissions immediately, how would the climate respond?
The current rise in atmospheric carbon dioxide levels is unprecedented in the past 800,000 years. As our video explains, ice cores track human changes to the atmosphere that are far beyond natural.
Australia's road emissions have plateaued – last year showed the smallest reduction on record.
The Australian market is awash with highly polluting cars. But there are a couple of key resources to help you find the best vehicle that fits your needs.
Diesel engines have been demonised for their emissions but the technology has already cleaned up its act.
Engineers are hoping to iron out a century-old technology that could reduce shipping emissions.
The Australian government is considering a cap on car emissions, and the savings in fuel and health costs mean there's no reason to delay.
University research has shown us how urgently we need to reduce greenhouse emissions. Yet only three Australian universities have followed through by committing unequivocally to cutting carbon.
The Law and Justice party are making a grab for the Polish capital, by making it massive, but ultimately residents may pay the price.
Two environmental policy experts offer a more politically palatable way to lower carbon emissions – based on consumption, not conventional regulation.
Global emissions from fossil fuels have stalled. That puts us in the right place to keep warming below 2℃, but there's plenty of work still to be done.
As Australia's energy debate heats up, some politicians are calling for cleaner and more efficient coal power stations to reduce greenhouse gas emissions.
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.