Carbon pricing is the most market-based means of addressing the climate crisis, yet it is strongly opposed by politicians that claim to support free markets.
We've been here before. In fact we've been going round in circles on climate policy for decades, while the temperature (of the debate, as well as the planet) climbs ever higher.
Environmental taxes encourage consumers to conserve energy or switch to less carbon-intensive fuels.
States are folding the social and economic costs of burning fossil fuels into their electricity policies, giving utilities a financial incentive to reduce greenhouse emissions.
The Green New Deal has shifted the debate over what to do about climate change.
Democrats such as Rep. Ocasio-Cortez and Sen. Markey are proposing an ambitious decarbonization plan that critics are calling unaffordable. A green economist explains how the US could pay for it.
Scott Morrison's pledge to spend billions on a Climate Solutions Fund is a thinly veiled rehash of the widely criticised Emissions Reduction Fund, which had much of its work undone by fine print.
Business leaders are beginning to take the global climate issue seriously by setting science-based targets to reduce greenhouse gas emissions.
There are ways to reduce the risk of protests like France's yellow vests movement.
A Green New Deal would confront both climate change and social inequality. Its prospects in the United States are uncertain, but Canada should endeavour to develop one of its own anyway.
The gilets jaunes protests show we need to fight inequality for a just transition to a low-carbon society.
It is possible to both tax carbon emissions and enrich households. A report to be released by UNSW today outlines how.
But many new governors and members of Congress intend to take action on climate change.
These policies, which are designed to slow the pace of climate change, don't have to cost taxpayers, and they do not appear to hinder economic growth.
There are some good explanations for the mismatch between regional support for climate action and the areas where renewable energy is making the biggest inroads.
Explaining how carbon taxes and cap-and-trade systems work is simpler than figuring out how high those taxes and caps should be.
William Nordhaus showed that the market offers the best chance for preventing global catastrophe form climate change.
A too rapid transition to a low-carbon economy would threaten financial stability. A slow transition would run the risk of exceeding irreversible ecological thresholds.
With consultation underway to improve the New Zealand emissions trading scheme, experts argue that a reserve price on emissions units could help rebuild confidence in low-emission investment.
Renewable energy investment is gathering steam throughout the world. Australia's National Energy Guarantee policy should be made agile enough to jump on board, because this runaway train won't stop.