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.
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.
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.
Global emissions from fossil fuels have stalled. That puts us in the right place to keep warming below 2°C, 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.
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.
Bill Hare, Potsdam Institute for Climate Impact Research and Niklas Höhne, Wageningen University
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.