The former prime minister has changed his mind yet again on the Paris targets, this time because he is under pressure in his seat of Warringah.
The original New Deal caused a "great acceleration" in carbon emissions. How will a Green New Deal forge its own legacy?
In the fight against climate change, cities are now seen as having a major role to play. An ongoing study examines the effectiveness of the adaptation and mitigation plans of 126 coastal cities.
These efforts should include trying to turn around the United States' decision to leave the Paris agreement, Sharma told the Coalition for Conservation on Tuesday night.
Business leaders are beginning to take the global climate issue seriously by setting science-based targets to reduce greenhouse gas emissions.
Agriculture needs to cut its greenhouse gas emissions, yet we must also find a way to produce more food if we are to feed 10 billion people by 2050. A "just transition" could help make that happen.
Australia's government insists it is on track to surpass its emissions reduction commitments under the Paris Agreement. But while that may be true, it will only happen with some clever accounting.
Canada's top-down approach to designing its climate policy has failed. It needs to find ways to engage with individuals.
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.
For the second year in a row global greenhouse emissions from fossil fuels have risen, putting 2018 on course to set a new record, according to an annual audit from the Global Carbon Project.
We may only have 12 years to stop climate change and the landmark Paris Agreement of 2015 seems more in doubt than ever. What can we hope to come out of COP24?
As leaders and negotiators head to Katowice, Poland for this year's round of UN climate talks, it is clear that there is still much work to be done to meet the goals set in Paris three years ago.
At a time when the rules-based trading system is being shredded and the Paris Agreement risks unravelling, it is vital that the G20 meeting between the two superpowers is a constructive one.
Making the transition to a sustainable energy future also means ensuring that affected communities - such as Australia's coal workers - aren't left by the wayside.
Bill C-69 will slow down Canada's efforts to transition to a decarbonized and sustainable economy.
While extreme weather conditions represent a considerable challenge globally, some communities have been living with (and adapting to) similar events for centuries.
Staying below 1.5°C will require urgent, deep and radical changes in almost every aspect of our lives.
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.
The UK was part of the EU's collective pledge of emissions cuts ahead of Paris.
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.