CEOs, including at oil companies and airlines, are relying on trees and oceans to capture and store carbon for them, but the numbers don't add up.
Recent bushfires and extreme weather are just a small taste of what is to come if this week's climate negotiations in Madrid fail to deliver.
Nations are struggling to agree on how international carbon trading should work under the Paris accord. A weak result would undermine global efforts to fight climate change.
Under the current rules, the federal government takes the most responsibility for buying carbon credits. A blockchain-driven market would be faster, smarter, and much more open.
Three years after the Paris Agreement, negotiators have finally agreed (most of) the rules for its implementation. But there is still no way to compel countries to deepen their climate ambitions.
Brexit may be an unexpected boon for the UK's climate leadership. Here's how the UK can seize the initiative.
The Trump administration withdrew from the Paris Agreement. But U.S. cities and states are supporting climate change efforts in the developing world regardless.
The Finkel Review looks likely to recommend a "low emissions target", which would award credits to cleaner energy sources, much like the current Renewable Energy Target.
The climate agreement is littered with references to a whole range of new and expanded market-based tools.