With an ever-increasing cost to extract dwindling raw materials, it's time to look at cities as urban mines. We're developing the tools to do that.
Canada ratified the Paris agreement on climate change, but it hasn't yet filled the leadership void left by the United States. Time is running out.
Landfills produce huge amounts of methane. Many of the bigger operators capture it to turn into energy, but they’re wasting about 80% of what’s available. It’s time Australia stepped up.
A new analysis by ClimateWorks Australia says that the electricity sector needs to do far more to cut its carbon emissions than will be delivered by current policies.
Set aside the politics. If by some miracle we turned off carbon emissions immediately, how would the climate respond?
Solar radiation management might be able to reduce some of the risks of global warming while countries get their emissions under control.